The SYCBCHF01P6DIP launched by Sinyinda (SYC) is a 6Pin high-current female connector (solder type) designed for 120A-class pure power lithium battery transmission scenarios. This product adopts 6 identical 20A power terminals, supporting 6 parallel current-sharing paths to achieve 120A continuous current capacity, and features true N+4 ultimate redundancy capability—even if a single pin fails, the remaining 5 pins can still carry 100A normal load; with two pins failed, it maintains 80A emergency operation; with three pins failed, it still supports 60A safe return/shutdown; with four pins failed, it still provides 40A minimum guarantee. It adopts copper nickel-plated (50-80μ") high-wear-resistant contact technology, with a mating life of ≥1000 cycles and stable contact resistance ≤3mΩ; the PA66 insulating substrate balances mechanical strength and temperature resistance, with a rated voltage of DC 250V and an operating temperature range of -40℃~+105℃. The six-hole positioning design ensures installation accuracy of ±0.1mm, the asymmetric housing provides physical reverse-connection prevention, and the recommended mating life is 1000 cycles. The U-slot structure supports direct press-in soldering of AWG 10-18 gauge wires without pre-tinning, greatly improving assembly efficiency. It is particularly suited for application scenarios with rigid requirements for "120A-class power + flexible wiring + manual/semi-automatic assembly + ultimate redundancy," such as TWS earbud charging case super-fast-charging ports, smartwatch magnetic charging bases, micro drone battery interfaces, and medical portable device power modules. It pairs precisely with the male connector SYCBCHM01P6R1 to form a complete 120A-class solder-type lithium battery interconnection solution.

The SYCBCHF01P5DIP launched by Sinyinda (SYC) is a 5Pin high-current female connector (solder wire type) designed for 100A-class pure power lithium battery transmission scenarios. This product adopts 5 identical 20A power terminals, supporting 5 parallel current-sharing paths to achieve 100A continuous current capacity, and features true N+3 ultra-high redundancy capability—even if a single pin fails, the remaining 4 pins can still carry 80A normal load; with two pins failed, it maintains 60A emergency operation; with three pins failed, it still supports 40A safe return/shutdown. It adopts copper nickel-plated (50-80μ") high-wear-resistant contact technology, with a mating cycle life of ≥1000 times and stable contact resistance ≤3mΩ; the PA66 insulating substrate balances mechanical strength and temperature resistance, with a rated voltage of DC 250V and an operating temperature range of -40℃~+105℃. The five-hole positioning design ensures installation accuracy of ±0.1mm, the asymmetric housing provides physical reverse-connection protection, and the recommended mating cycle life is 1000 times. The U-slot structure supports direct press-in soldering of AWG 10-18 gauge wires without pre-tinning, greatly improving assembly efficiency. It is particularly suited for application scenarios with rigid requirements for "100A-class power + flexible wiring + manual/semi-automatic assembly + ultimate redundancy," such as TWS earbud charging case super-fast charging ports, smartwatch magnetic charging bases, micro drone battery interfaces, and medical portable device power modules, and pairs precisely with the male connector SYCBCHM01P5R1 to form a complete 100A-class solder wire lithium battery interconnection solution.

The SYCBCHF01P5CSMT launched by SYC is a 5Pin high-current female connector (SMT version) designed specifically for 100A-class pure power lithium battery transmission scenarios. This product features 5 identical 20A power terminals, supporting 5-way parallel current sharing to achieve 100A continuous current capacity, and offers true N+1 redundancy—even if a single pin fails, the remaining 4 pins can still carry an 80A regular load without interrupting power supply. It adopts a copper nickel-plated (50-80μ") high-wear-resistant contact process, with a mating cycle life of ≥1000 times and stable contact resistance of ≤3mΩ; the PA66 insulating substrate balances mechanical strength and temperature resistance, with a rated voltage of DC 250V and an operating temperature range of -40℃ to +105℃. The five-hole positioning design ensures SMT accuracy of ±0.1mm, the asymmetric housing provides physical anti-reverse insertion protection, and the recommended mating cycle life is 1000 times. It is particularly suited for application scenarios with rigid demands for "100A-class power + fully automated assembly + zero manual intervention," such as TWS earphone charging case 100W fast-charge ports, smartwatch magnetic charging bases, micro drone battery interfaces, and medical portable device power modules, and pairs precisely with the male connector SYCBCHM01P5R1 to form a complete 100A-class SMT lithium battery interconnect solution.

SYC (Sinyinda) introduces the SYCBCHF01P4DIP, a 4-pin high-current female connector (solder-tab type) designed for 80A-class pure power lithium battery transmission scenarios. This product features 4 identical 20A power terminals, supporting 4-way parallel current sharing to achieve 80A continuous current carrying, and offers true N+2 redundancy—even if one pin fails, the remaining 3 pins can still carry a 60A normal load without interrupting power supply; with two pins failed, it can still maintain 40A emergency operation. It employs copper-nickel plated (50-80μ") high-wear-resistant contact technology, with a mating cycle life of ≥1000 insertions and stable contact resistance of ≤3mΩ; the PA66 insulating substrate combines mechanical strength with temperature resistance, rated voltage DC 250V, operating temperature -40℃~+105℃. The four-hole positioning design ensures installation accuracy of ±0.1mm, and the asymmetric housing provides physical reverse-polarity protection, with a recommended mating cycle life of 1000 insertions. The U-slot structure supports direct crimping and soldering of AWG 10-18 wires without pre-tinning, significantly improving assembly efficiency. It is particularly suited for applications with rigid requirements for "80A-class power + flexible wiring + manual/semi-automatic assembly," such as TWS earbud charging case super-fast charging ports, smartwatch magnetic charging bases, micro drone battery interfaces, and medical portable device power modules, pairing precisely with the male connector SYCBCHM01P4R1 to form a complete 80A-class solder-tab lithium battery interconnection solution.

The SYCBCHF01P3CSMT launched by Sinyinda (SYC) is a 3Pin high-current female connector (SMT mounting version) designed for 60A-class pure power lithium battery transmission scenarios. This product adopts 3 identical 20A power terminals, supporting 3-way parallel current sharing to achieve 60A continuous current capacity, and features true single-pin failure redundancy—even if one pin fails, the remaining 2 pins can still carry a 40A normal load without interrupting power supply. It adopts a copper nickel-plated (50-80μ") high-wear-resistance contact process, with a mating cycle life of ≥1000 times and stable contact resistance of ≤3mΩ; the PA66 insulating substrate balances mechanical strength and temperature resistance, with a rated voltage of DC 250V and an operating temperature range of -40℃~+105℃. The three-hole positioning design ensures SMT mounting accuracy of ±0.1mm, the asymmetric housing provides physical reverse-connection protection, and the recommended mating cycle life is 1000 times. It is particularly suitable for application scenarios with rigid requirements for "60A-class power + fully automatic assembly + zero manual intervention," such as TWS earbud charging case fast-charge ports, smartwatch magnetic charging bases, micro drone battery interfaces, and medical portable device power modules, and pairs precisely with the male connector SYCBCHM01P3R1 to form a complete 60A-class SMT lithium battery interconnect solution.

The SYCBCHF01P4CSMT launched by Sinyinda (SYC) is a 4Pin high-current female connector (SMT version) designed specifically for 80A-class pure power lithium battery transmission scenarios. This product features 4 identical 20A power terminals, supporting 4-way parallel current sharing to achieve 80A continuous current carrying, and offers true N+1 redundancy capability—even if a single pin fails, the remaining 3 pins can still carry a 60A regular load without interrupting power supply. It employs a copper nickel-plated (50-80μ") high-wear-resistant contact process, with a mating cycle life of ≥1000 times and stable contact resistance of ≤3mΩ; the PA66 insulating substrate balances mechanical strength and temperature resistance, with a rated voltage of DC 250V and an operating temperature range of -40°C to +105°C. The four-hole positioning design ensures SMT placement accuracy of ±0.1mm, the asymmetric housing provides physical reverse-connection protection, and the recommended mating cycle life is 1000 times. It is particularly suited for application scenarios with rigid requirements for "80A-class power + fully automated assembly + zero manual intervention," such as TWS earbud charging case super-fast-charge ports, smartwatch magnetic charging bases, micro drone battery interfaces, and medical portable device power modules, pairing precisely with the male connector SYCBCHM01P4R1 to form a complete 80A-class SMT lithium battery interconnect solution.

The SYCBCHF01P3DIP launched by Sinyinda (SYC) is a 3Pin high-current female connector (solder wire type) specifically designed for 60A-class pure power lithium battery transmission scenarios. This product adopts 3 identical 20A power terminals, supporting 3-way parallel current sharing to achieve 60A continuous current carrying capacity, and features true N+1 redundancy capability—even if a single pin fails, the remaining 2 pins can still carry a 40A normal load without interrupting power supply. It employs a copper nickel-plated (50-80μ") high-wear-resistant contact process, with a mating cycle life of ≥1000 times and stable contact resistance of ≤3mΩ; the PA66 insulating substrate combines mechanical strength and temperature resistance, with a rated voltage of DC 250V and an operating temperature range of -40℃ to +105℃. The three-hole positioning design ensures installation accuracy of ±0.1mm, the asymmetric housing provides physical reverse-connection protection, and the recommended mating cycle life is 1000 times. The U-slot structure supports direct press-in soldering of AWG 10-18 gauge wires without pre-tinning, greatly improving assembly efficiency. It is particularly suited for application scenarios with rigid requirements for "60A-class power + flexible wiring + manual/semi-automatic assembly," such as TWS earbud charging case fast-charge ports, smartwatch magnetic charging bases, micro drone battery interfaces, and medical portable device power modules, and pairs precisely with the male connector SYCBCHM01P3R1 to form a complete 60A-class solder wire lithium battery interconnection solution.

The SYCBCHF01P2DIP launched by Sinyinda (SYC) is a 2Pin high-current female connector (solder wire type·U-slot) designed specifically for 40A-class pure power lithium battery transmission scenarios. This product adopts 2 identical 20A power terminals, supporting 2 parallel current-sharing paths to achieve 40A continuous current carrying, and features true single-pin failure redundancy—even if one pin fails, the remaining pin can still carry a 20A regular load without interrupting power supply. It employs copper nickel-plated (50-80μ") high-wear-resistant contact technology, with a mating cycle life of ≥1000 times and stable contact resistance of ≤3mΩ; the PA66 insulating substrate balances mechanical strength and temperature resistance, with a rated voltage of DC 250V and an operating temperature range of -40℃ to +105℃. The dual-hole positioning design ensures installation accuracy of ±0.1mm, the asymmetric housing provides physical reverse-connection protection, and the recommended mating cycle life is 1000 times. The U-slot structure supports direct press-in soldering of AWG 10-18 gauge wires without pre-tinning, greatly improving assembly efficiency. It is particularly suited for application scenarios with rigid requirements for "40A-class power + flexible wiring + manual/semi-automatic assembly," such as TWS headphone charging case fast-charge ports, smartwatch magnetic charging bases, micro drone battery interfaces, and medical portable device power modules, and pairs precisely with the male connector SYCBCHM01P2R1 to form a complete 40A-class solder wire lithium battery interconnection solution.

SYC's SYCBCHF01P2CSMT is a 2-pin high-current female connector (SMT reflow version) specifically designed for 20A-class pure power lithium battery transmission scenarios. This product features 2 identical 20A power terminals, supporting 2 parallel current-sharing paths for 40A continuous current-carrying capacity, and provides true single-pin failure redundancy—even if one pin fails, the remaining pin can still carry a 20A regular load without interrupting power supply. It adopts a copper nickel-plated (50-80μ") high-wear-resistant contact process, with a mating cycle life of ≥1000 cycles and stable contact resistance ≤3mΩ; the PA66 insulating substrate balances mechanical strength and temperature resistance, with a rated voltage of DC 250V and an operating temperature range of -40℃ to +105℃. The dual-hole positioning design ensures placement accuracy of ±0.1mm, the asymmetric housing provides physical reverse-connection protection, and the recommended mating cycle life is 1000 cycles. It is particularly suited for application scenarios with rigid requirements for "20A-class power + fully automated assembly + zero manual intervention," such as smart wearable device battery compartments, TWS earphone charging cases, micro-drone quick-release battery ports, and medical portable device power interfaces, pairing precisely with the male connector SYCBCHM01P2R1 to form a complete 20A-class SMT lithium battery interconnect solution.

The SYCBCHM01P6R1 launched by Sinyinda (SYC) is a 6-pin high-current plug male connector (current-sharing version) specifically designed for 120A-class pure power lithium battery transmission scenarios. This product adopts 6 identical 20A power terminals, supporting 6 parallel current-sharing channels to achieve 120A continuous current carrying capacity, and features industry-leading N+2 dual redundancy capability—even if any two pins fail simultaneously, the remaining 4 pins can still carry 80A regular load without derating or shutdown, providing dual safety fallback for mission-critical systems. It employs copper nickel-plated (50-80μ") high-wear-resistant contact technology, with a mating cycle life of ≥1000 times and stable contact resistance of ≤3mΩ; the PA66 insulating substrate balances mechanical strength and temperature resistance, with a rated voltage of DC 250V and an operating temperature range of -40℃ to +105℃. The enhanced snap-lock mechanism provides ≥60N holding force, and the asymmetric housing design physically prevents reverse insertion, with a recommended mating cycle life of 1000 times. It is particularly suited for applications with rigid requirements for "100A+ continuous current carrying capacity + ultimate availability," such as megawatt-level energy storage DC-side interconnection, heavy-duty truck battery-swap high-voltage fast charging, marine main propulsion power supplies, and data center UPS lithium battery cabinets, precisely pairing with the female socket SYCBCHM01P6R1F to form a complete 120A-class dual-redundancy power interconnection solution.

The SYCBCHM01P5R1 launched by Sinyinda (SYC) is a 5-Pin high-current plug male connector (current-sharing version) specifically designed for 100A-class pure power lithium battery transmission scenarios. This product adopts 5 identical 20A power terminals, supports 5-way parallel current sharing to achieve 100A continuous current-carrying capacity, and features true N+1 redundancy—even if a single pin fails, the remaining 4 pins can still carry 80A of normal load without derating or shutdown. It employs copper nickel-plated (50-80μ") high-wear-resistant contact technology, with a mating cycle life of ≥1000 times and stable contact resistance ≤3mΩ; the PA66 insulating substrate balances mechanical strength and temperature resistance, with a rated voltage of DC 250V and an operating temperature range of -40℃ to +105℃. The enhanced snap-lock mechanism provides ≥50N holding force, and the asymmetric housing design physically prevents reverse insertion, with a recommended mating cycle life of 1000 times. It is particularly suited for application scenarios with rigid requirements for "hundred-amp-level continuous current-carrying capacity + ultimate reliability," such as high-voltage energy storage cluster-level parallel connection, battery swap station high-power fast charging, heavy-duty AGV/forklift power ports, and marine lithium propulsion systems, precisely pairing with the female connector SYCBCHM01P5R1F to form a complete 100A-class redundant power interconnection solution.

SYC (Sinyinda) launched SYCBCHM01P4R1, a 4-Pin high-current plug male connector (current-sharing version) specifically designed for 80A-class pure power lithium battery transmission scenarios. This product uses 4 identical 20A power terminals with no mixed signal pins, supporting 4 parallel current-sharing paths for 80A continuous current carrying. If a single pin fails, it can still operate at reduced rating to ensure system redundancy safety. It adopts copper-nickel plating (50-80μ") high-wear-resistant contact technology, with a plug/unplug lifespan of ≥1000 cycles and stable contact resistance ≤3mΩ; PA66 insulating substrate balances mechanical strength and temperature resistance, rated voltage DC 250V, operating temperature -40℃~+105℃. The integrated snap-lock mechanism provides ≥40N holding force (30% higher than 2-Pin/3-Pin versions), and the asymmetric housing design physically prevents reverse connection, with a recommended plug/unplug lifespan of 1000 cycles. It is particularly suited for high-power lithium battery application scenarios with rigid requirements for "high current density + dynamic current sharing + redundancy safety," such as 48V/60V lithium battery PACK parallel ports, energy storage PCS DC-side interconnection, battery swap station battery rack interfaces, and AGV fast-charging bases, precisely pairing with the female socket SYCBCHM01P4R1F to form a complete 80A-class pure power lithium battery interconnection solution.

SYC's SYCBCHM01P3R1 is a 3-pin high-current plug male connector specifically designed for 20A-class smart lithium battery power transmission scenarios. Building on a 2-pin pure power design, this product adds one 20A signal channel, supporting NTC temperature monitoring, battery ID recognition, or BMS communication functions, achieving "power + safety/intelligence" single-port integration and completely eliminating the reliability risks caused by traditional separate "power port + signal wire" wiring. It features a copper nickel-plated (50-80μ") high-wear-resistant contact process, with a mating cycle life of ≥1000 cycles and stable contact resistance of ≤3mΩ; the PA66 insulating substrate combines mechanical strength and temperature resistance, with a rated current of 20A (main circuit)/3A (signal), rated voltage of DC 250V, and an operating temperature range of -40°C to +105°C. The integrated snap-lock mechanism provides ≥30N holding force, and the asymmetric housing design physically prevents reverse insertion, with a recommended mating cycle life of 1000 cycles. It is particularly suited for smart lithium battery applications with a rigid demand for "20A power + 1 safety signal synchronization," such as high-end power tool battery packs, energy storage BMS sampling interfaces, AGV battery management ports, and medical equipment backup power supplies, and pairs precisely with the female connector SYCBCHM01P3R1F to form a complete 20A-class smart lithium battery power interconnection solution.

The SYCBCHM01P2R1 launched by Sinyinda (SYC) is a 2Pin high-current plug male connector (copper-nickel plated version) specifically designed for 20A-class lithium battery power transmission scenarios. This product adopts a copper-nickel plated (50-80μ") high-wear-resistant contact process, with a mating cycle life of ≥1000 times and stable contact resistance ≤3mΩ, perfectly balancing conductivity, wear resistance, and cost; the PA66 insulating substrate combines mechanical strength and temperature resistance, with a rated current of 20A, rated voltage of DC 250V, and operating temperature range of -40℃~+105℃. The integrated snap-lock mechanism provides ≥30N retention force, supports one-hand quick mating and unmating, with a recommended mating cycle life of 1000 times. It is particularly suitable for scenarios with rigid requirements for "20A continuous current-carrying + wear resistance + cost sensitivity," such as lithium battery PACK output interfaces, power tool battery packs, two-wheeled electric vehicle charging ports, AGV automatic charging contacts, and portable energy storage power supplies, precisely pairing with the female connector SYCBCHM01P2R1F to form a complete 20A-class lithium battery power interconnection solution.

SYCBCWL206F, the new national standard 40A waterproof composite socket outlet (single-rib version) launched by Sinyinda (SYC), is a precision interface developed specifically to break through the bottleneck of "compact size, high-power composite interconnection." Within an extremely compact footprint of only 55×21×24mm, it innovatively integrates a 40A main power circuit and 4 independent signal channels, achieving "six functions in one port." Featuring a single-rib physical anti-misinsertion structure, combined with an asymmetric pin layout, it completely eliminates the risk of incorrect insertion at the mechanical level. The housing is made of high-strength PA66+GF30 engineering plastic, paired with a silicone sealing ring and snap-lock fastening, achieving an IP67 protection rating. The internal conductors use T2 copper with silver plating, featuring a contact resistance of ≤0.8mΩ, supporting continuous 40A/250V AC or DC full-load operation with a temperature rise of <35K. Certified under CCC compulsory requirements, it is suitable for scenarios with dual stringent demands on space and performance, such as portable energy storage power supplies, handheld power tools, medical monitors, industrial HMI panels, and drone base stations.

The SYCBCHF01P6DIP launched by Sinyinda (SYC) is a 6Pin high-current female connector (solder type) designed for 120A-class pure power lithium battery transmission scenarios. This product adopts 6 identical 20A power terminals, supporting 6 parallel current-sharing paths to achieve 120A continuous current capacity, and features true N+4 ultimate redundancy capability—even if a single pin fails, the remaining 5 pins can still carry 100A normal load; with two pins failed, it maintains 80A emergency operation; with three pins failed, it still supports 60A safe return/shutdown; with four pins failed, it still provides 40A minimum guarantee. It adopts copper nickel-plated (50-80μ") high-wear-resistant contact technology, with a mating life of ≥1000 cycles and stable contact resistance ≤3mΩ; the PA66 insulating substrate balances mechanical strength and temperature resistance, with a rated voltage of DC 250V and an operating temperature range of -40℃~+105℃. The six-hole positioning design ensures installation accuracy of ±0.1mm, the asymmetric housing provides physical reverse-connection prevention, and the recommended mating life is 1000 cycles. The U-slot structure supports direct press-in soldering of AWG 10-18 gauge wires without pre-tinning, greatly improving assembly efficiency. It is particularly suited for application scenarios with rigid requirements for "120A-class power + flexible wiring + manual/semi-automatic assembly + ultimate redundancy," such as TWS earbud charging case super-fast-charging ports, smartwatch magnetic charging bases, micro drone battery interfaces, and medical portable device power modules. It pairs precisely with the male connector SYCBCHM01P6R1 to form a complete 120A-class solder-type lithium battery interconnection solution.

The SYCBCHF01P5DIP launched by Sinyinda (SYC) is a 5Pin high-current female connector (solder wire type) designed for 100A-class pure power lithium battery transmission scenarios. This product adopts 5 identical 20A power terminals, supporting 5 parallel current-sharing paths to achieve 100A continuous current capacity, and features true N+3 ultra-high redundancy capability—even if a single pin fails, the remaining 4 pins can still carry 80A normal load; with two pins failed, it maintains 60A emergency operation; with three pins failed, it still supports 40A safe return/shutdown. It adopts copper nickel-plated (50-80μ") high-wear-resistant contact technology, with a mating cycle life of ≥1000 times and stable contact resistance ≤3mΩ; the PA66 insulating substrate balances mechanical strength and temperature resistance, with a rated voltage of DC 250V and an operating temperature range of -40℃~+105℃. The five-hole positioning design ensures installation accuracy of ±0.1mm, the asymmetric housing provides physical reverse-connection protection, and the recommended mating cycle life is 1000 times. The U-slot structure supports direct press-in soldering of AWG 10-18 gauge wires without pre-tinning, greatly improving assembly efficiency. It is particularly suited for application scenarios with rigid requirements for "100A-class power + flexible wiring + manual/semi-automatic assembly + ultimate redundancy," such as TWS earbud charging case super-fast charging ports, smartwatch magnetic charging bases, micro drone battery interfaces, and medical portable device power modules, and pairs precisely with the male connector SYCBCHM01P5R1 to form a complete 100A-class solder wire lithium battery interconnection solution.

The SYCBCHF01P5CSMT launched by SYC is a 5Pin high-current female connector (SMT version) designed specifically for 100A-class pure power lithium battery transmission scenarios. This product features 5 identical 20A power terminals, supporting 5-way parallel current sharing to achieve 100A continuous current capacity, and offers true N+1 redundancy—even if a single pin fails, the remaining 4 pins can still carry an 80A regular load without interrupting power supply. It adopts a copper nickel-plated (50-80μ") high-wear-resistant contact process, with a mating cycle life of ≥1000 times and stable contact resistance of ≤3mΩ; the PA66 insulating substrate balances mechanical strength and temperature resistance, with a rated voltage of DC 250V and an operating temperature range of -40℃ to +105℃. The five-hole positioning design ensures SMT accuracy of ±0.1mm, the asymmetric housing provides physical anti-reverse insertion protection, and the recommended mating cycle life is 1000 times. It is particularly suited for application scenarios with rigid demands for "100A-class power + fully automated assembly + zero manual intervention," such as TWS earphone charging case 100W fast-charge ports, smartwatch magnetic charging bases, micro drone battery interfaces, and medical portable device power modules, and pairs precisely with the male connector SYCBCHM01P5R1 to form a complete 100A-class SMT lithium battery interconnect solution.

SYC (Sinyinda) introduces the SYCBCHF01P4DIP, a 4-pin high-current female connector (solder-tab type) designed for 80A-class pure power lithium battery transmission scenarios. This product features 4 identical 20A power terminals, supporting 4-way parallel current sharing to achieve 80A continuous current carrying, and offers true N+2 redundancy—even if one pin fails, the remaining 3 pins can still carry a 60A normal load without interrupting power supply; with two pins failed, it can still maintain 40A emergency operation. It employs copper-nickel plated (50-80μ") high-wear-resistant contact technology, with a mating cycle life of ≥1000 insertions and stable contact resistance of ≤3mΩ; the PA66 insulating substrate combines mechanical strength with temperature resistance, rated voltage DC 250V, operating temperature -40℃~+105℃. The four-hole positioning design ensures installation accuracy of ±0.1mm, and the asymmetric housing provides physical reverse-polarity protection, with a recommended mating cycle life of 1000 insertions. The U-slot structure supports direct crimping and soldering of AWG 10-18 wires without pre-tinning, significantly improving assembly efficiency. It is particularly suited for applications with rigid requirements for "80A-class power + flexible wiring + manual/semi-automatic assembly," such as TWS earbud charging case super-fast charging ports, smartwatch magnetic charging bases, micro drone battery interfaces, and medical portable device power modules, pairing precisely with the male connector SYCBCHM01P4R1 to form a complete 80A-class solder-tab lithium battery interconnection solution.

The SYCBCHF01P3CSMT launched by Sinyinda (SYC) is a 3Pin high-current female connector (SMT mounting version) designed for 60A-class pure power lithium battery transmission scenarios. This product adopts 3 identical 20A power terminals, supporting 3-way parallel current sharing to achieve 60A continuous current capacity, and features true single-pin failure redundancy—even if one pin fails, the remaining 2 pins can still carry a 40A normal load without interrupting power supply. It adopts a copper nickel-plated (50-80μ") high-wear-resistance contact process, with a mating cycle life of ≥1000 times and stable contact resistance of ≤3mΩ; the PA66 insulating substrate balances mechanical strength and temperature resistance, with a rated voltage of DC 250V and an operating temperature range of -40℃~+105℃. The three-hole positioning design ensures SMT mounting accuracy of ±0.1mm, the asymmetric housing provides physical reverse-connection protection, and the recommended mating cycle life is 1000 times. It is particularly suitable for application scenarios with rigid requirements for "60A-class power + fully automatic assembly + zero manual intervention," such as TWS earbud charging case fast-charge ports, smartwatch magnetic charging bases, micro drone battery interfaces, and medical portable device power modules, and pairs precisely with the male connector SYCBCHM01P3R1 to form a complete 60A-class SMT lithium battery interconnect solution.

The SYCBCHF01P4CSMT launched by Sinyinda (SYC) is a 4Pin high-current female connector (SMT version) designed specifically for 80A-class pure power lithium battery transmission scenarios. This product features 4 identical 20A power terminals, supporting 4-way parallel current sharing to achieve 80A continuous current carrying, and offers true N+1 redundancy capability—even if a single pin fails, the remaining 3 pins can still carry a 60A regular load without interrupting power supply. It employs a copper nickel-plated (50-80μ") high-wear-resistant contact process, with a mating cycle life of ≥1000 times and stable contact resistance of ≤3mΩ; the PA66 insulating substrate balances mechanical strength and temperature resistance, with a rated voltage of DC 250V and an operating temperature range of -40°C to +105°C. The four-hole positioning design ensures SMT placement accuracy of ±0.1mm, the asymmetric housing provides physical reverse-connection protection, and the recommended mating cycle life is 1000 times. It is particularly suited for application scenarios with rigid requirements for "80A-class power + fully automated assembly + zero manual intervention," such as TWS earbud charging case super-fast-charge ports, smartwatch magnetic charging bases, micro drone battery interfaces, and medical portable device power modules, pairing precisely with the male connector SYCBCHM01P4R1 to form a complete 80A-class SMT lithium battery interconnect solution.

The SYCBCHF01P3DIP launched by Sinyinda (SYC) is a 3Pin high-current female connector (solder wire type) specifically designed for 60A-class pure power lithium battery transmission scenarios. This product adopts 3 identical 20A power terminals, supporting 3-way parallel current sharing to achieve 60A continuous current carrying capacity, and features true N+1 redundancy capability—even if a single pin fails, the remaining 2 pins can still carry a 40A normal load without interrupting power supply. It employs a copper nickel-plated (50-80μ") high-wear-resistant contact process, with a mating cycle life of ≥1000 times and stable contact resistance of ≤3mΩ; the PA66 insulating substrate combines mechanical strength and temperature resistance, with a rated voltage of DC 250V and an operating temperature range of -40℃ to +105℃. The three-hole positioning design ensures installation accuracy of ±0.1mm, the asymmetric housing provides physical reverse-connection protection, and the recommended mating cycle life is 1000 times. The U-slot structure supports direct press-in soldering of AWG 10-18 gauge wires without pre-tinning, greatly improving assembly efficiency. It is particularly suited for application scenarios with rigid requirements for "60A-class power + flexible wiring + manual/semi-automatic assembly," such as TWS earbud charging case fast-charge ports, smartwatch magnetic charging bases, micro drone battery interfaces, and medical portable device power modules, and pairs precisely with the male connector SYCBCHM01P3R1 to form a complete 60A-class solder wire lithium battery interconnection solution.

The SYCBCHF01P2DIP launched by Sinyinda (SYC) is a 2Pin high-current female connector (solder wire type·U-slot) designed specifically for 40A-class pure power lithium battery transmission scenarios. This product adopts 2 identical 20A power terminals, supporting 2 parallel current-sharing paths to achieve 40A continuous current carrying, and features true single-pin failure redundancy—even if one pin fails, the remaining pin can still carry a 20A regular load without interrupting power supply. It employs copper nickel-plated (50-80μ") high-wear-resistant contact technology, with a mating cycle life of ≥1000 times and stable contact resistance of ≤3mΩ; the PA66 insulating substrate balances mechanical strength and temperature resistance, with a rated voltage of DC 250V and an operating temperature range of -40℃ to +105℃. The dual-hole positioning design ensures installation accuracy of ±0.1mm, the asymmetric housing provides physical reverse-connection protection, and the recommended mating cycle life is 1000 times. The U-slot structure supports direct press-in soldering of AWG 10-18 gauge wires without pre-tinning, greatly improving assembly efficiency. It is particularly suited for application scenarios with rigid requirements for "40A-class power + flexible wiring + manual/semi-automatic assembly," such as TWS headphone charging case fast-charge ports, smartwatch magnetic charging bases, micro drone battery interfaces, and medical portable device power modules, and pairs precisely with the male connector SYCBCHM01P2R1 to form a complete 40A-class solder wire lithium battery interconnection solution.

SYC's SYCBCHF01P2CSMT is a 2-pin high-current female connector (SMT reflow version) specifically designed for 20A-class pure power lithium battery transmission scenarios. This product features 2 identical 20A power terminals, supporting 2 parallel current-sharing paths for 40A continuous current-carrying capacity, and provides true single-pin failure redundancy—even if one pin fails, the remaining pin can still carry a 20A regular load without interrupting power supply. It adopts a copper nickel-plated (50-80μ") high-wear-resistant contact process, with a mating cycle life of ≥1000 cycles and stable contact resistance ≤3mΩ; the PA66 insulating substrate balances mechanical strength and temperature resistance, with a rated voltage of DC 250V and an operating temperature range of -40℃ to +105℃. The dual-hole positioning design ensures placement accuracy of ±0.1mm, the asymmetric housing provides physical reverse-connection protection, and the recommended mating cycle life is 1000 cycles. It is particularly suited for application scenarios with rigid requirements for "20A-class power + fully automated assembly + zero manual intervention," such as smart wearable device battery compartments, TWS earphone charging cases, micro-drone quick-release battery ports, and medical portable device power interfaces, pairing precisely with the male connector SYCBCHM01P2R1 to form a complete 20A-class SMT lithium battery interconnect solution.

The SYCBCHM01P6R1 launched by Sinyinda (SYC) is a 6-pin high-current plug male connector (current-sharing version) specifically designed for 120A-class pure power lithium battery transmission scenarios. This product adopts 6 identical 20A power terminals, supporting 6 parallel current-sharing channels to achieve 120A continuous current carrying capacity, and features industry-leading N+2 dual redundancy capability—even if any two pins fail simultaneously, the remaining 4 pins can still carry 80A regular load without derating or shutdown, providing dual safety fallback for mission-critical systems. It employs copper nickel-plated (50-80μ") high-wear-resistant contact technology, with a mating cycle life of ≥1000 times and stable contact resistance of ≤3mΩ; the PA66 insulating substrate balances mechanical strength and temperature resistance, with a rated voltage of DC 250V and an operating temperature range of -40℃ to +105℃. The enhanced snap-lock mechanism provides ≥60N holding force, and the asymmetric housing design physically prevents reverse insertion, with a recommended mating cycle life of 1000 times. It is particularly suited for applications with rigid requirements for "100A+ continuous current carrying capacity + ultimate availability," such as megawatt-level energy storage DC-side interconnection, heavy-duty truck battery-swap high-voltage fast charging, marine main propulsion power supplies, and data center UPS lithium battery cabinets, precisely pairing with the female socket SYCBCHM01P6R1F to form a complete 120A-class dual-redundancy power interconnection solution.

The SYCBCHM01P5R1 launched by Sinyinda (SYC) is a 5-Pin high-current plug male connector (current-sharing version) specifically designed for 100A-class pure power lithium battery transmission scenarios. This product adopts 5 identical 20A power terminals, supports 5-way parallel current sharing to achieve 100A continuous current-carrying capacity, and features true N+1 redundancy—even if a single pin fails, the remaining 4 pins can still carry 80A of normal load without derating or shutdown. It employs copper nickel-plated (50-80μ") high-wear-resistant contact technology, with a mating cycle life of ≥1000 times and stable contact resistance ≤3mΩ; the PA66 insulating substrate balances mechanical strength and temperature resistance, with a rated voltage of DC 250V and an operating temperature range of -40℃ to +105℃. The enhanced snap-lock mechanism provides ≥50N holding force, and the asymmetric housing design physically prevents reverse insertion, with a recommended mating cycle life of 1000 times. It is particularly suited for application scenarios with rigid requirements for "hundred-amp-level continuous current-carrying capacity + ultimate reliability," such as high-voltage energy storage cluster-level parallel connection, battery swap station high-power fast charging, heavy-duty AGV/forklift power ports, and marine lithium propulsion systems, precisely pairing with the female connector SYCBCHM01P5R1F to form a complete 100A-class redundant power interconnection solution.

SYC (Sinyinda) launched SYCBCHM01P4R1, a 4-Pin high-current plug male connector (current-sharing version) specifically designed for 80A-class pure power lithium battery transmission scenarios. This product uses 4 identical 20A power terminals with no mixed signal pins, supporting 4 parallel current-sharing paths for 80A continuous current carrying. If a single pin fails, it can still operate at reduced rating to ensure system redundancy safety. It adopts copper-nickel plating (50-80μ") high-wear-resistant contact technology, with a plug/unplug lifespan of ≥1000 cycles and stable contact resistance ≤3mΩ; PA66 insulating substrate balances mechanical strength and temperature resistance, rated voltage DC 250V, operating temperature -40℃~+105℃. The integrated snap-lock mechanism provides ≥40N holding force (30% higher than 2-Pin/3-Pin versions), and the asymmetric housing design physically prevents reverse connection, with a recommended plug/unplug lifespan of 1000 cycles. It is particularly suited for high-power lithium battery application scenarios with rigid requirements for "high current density + dynamic current sharing + redundancy safety," such as 48V/60V lithium battery PACK parallel ports, energy storage PCS DC-side interconnection, battery swap station battery rack interfaces, and AGV fast-charging bases, precisely pairing with the female socket SYCBCHM01P4R1F to form a complete 80A-class pure power lithium battery interconnection solution.

SYC's SYCBCHM01P3R1 is a 3-pin high-current plug male connector specifically designed for 20A-class smart lithium battery power transmission scenarios. Building on a 2-pin pure power design, this product adds one 20A signal channel, supporting NTC temperature monitoring, battery ID recognition, or BMS communication functions, achieving "power + safety/intelligence" single-port integration and completely eliminating the reliability risks caused by traditional separate "power port + signal wire" wiring. It features a copper nickel-plated (50-80μ") high-wear-resistant contact process, with a mating cycle life of ≥1000 cycles and stable contact resistance of ≤3mΩ; the PA66 insulating substrate combines mechanical strength and temperature resistance, with a rated current of 20A (main circuit)/3A (signal), rated voltage of DC 250V, and an operating temperature range of -40°C to +105°C. The integrated snap-lock mechanism provides ≥30N holding force, and the asymmetric housing design physically prevents reverse insertion, with a recommended mating cycle life of 1000 cycles. It is particularly suited for smart lithium battery applications with a rigid demand for "20A power + 1 safety signal synchronization," such as high-end power tool battery packs, energy storage BMS sampling interfaces, AGV battery management ports, and medical equipment backup power supplies, and pairs precisely with the female connector SYCBCHM01P3R1F to form a complete 20A-class smart lithium battery power interconnection solution.

The SYCBCHM01P2R1 launched by Sinyinda (SYC) is a 2Pin high-current plug male connector (copper-nickel plated version) specifically designed for 20A-class lithium battery power transmission scenarios. This product adopts a copper-nickel plated (50-80μ") high-wear-resistant contact process, with a mating cycle life of ≥1000 times and stable contact resistance ≤3mΩ, perfectly balancing conductivity, wear resistance, and cost; the PA66 insulating substrate combines mechanical strength and temperature resistance, with a rated current of 20A, rated voltage of DC 250V, and operating temperature range of -40℃~+105℃. The integrated snap-lock mechanism provides ≥30N retention force, supports one-hand quick mating and unmating, with a recommended mating cycle life of 1000 times. It is particularly suitable for scenarios with rigid requirements for "20A continuous current-carrying + wear resistance + cost sensitivity," such as lithium battery PACK output interfaces, power tool battery packs, two-wheeled electric vehicle charging ports, AGV automatic charging contacts, and portable energy storage power supplies, precisely pairing with the female connector SYCBCHM01P2R1F to form a complete 20A-class lithium battery power interconnection solution.

SYCBCWL206F, the new national standard 40A waterproof composite socket outlet (single-rib version) launched by Sinyinda (SYC), is a precision interface developed specifically to break through the bottleneck of "compact size, high-power composite interconnection." Within an extremely compact footprint of only 55×21×24mm, it innovatively integrates a 40A main power circuit and 4 independent signal channels, achieving "six functions in one port." Featuring a single-rib physical anti-misinsertion structure, combined with an asymmetric pin layout, it completely eliminates the risk of incorrect insertion at the mechanical level. The housing is made of high-strength PA66+GF30 engineering plastic, paired with a silicone sealing ring and snap-lock fastening, achieving an IP67 protection rating. The internal conductors use T2 copper with silver plating, featuring a contact resistance of ≤0.8mΩ, supporting continuous 40A/250V AC or DC full-load operation with a temperature rise of <35K. Certified under CCC compulsory requirements, it is suitable for scenarios with dual stringent demands on space and performance, such as portable energy storage power supplies, handheld power tools, medical monitors, industrial HMI panels, and drone base stations.

The SYCBCHF01P6DIP launched by Sinyinda (SYC) is a 6Pin high-current female connector (solder type) designed for 120A-class pure power lithium battery transmission scenarios. This product adopts 6 identical 20A power terminals, supporting 6 parallel current-sharing paths to achieve 120A continuous current capacity, and features true N+4 ultimate redundancy capability—even if a single pin fails, the remaining 5 pins can still carry 100A normal load; with two pins failed, it maintains 80A emergency operation; with three pins failed, it still supports 60A safe return/shutdown; with four pins failed, it still provides 40A minimum guarantee. It adopts copper nickel-plated (50-80μ") high-wear-resistant contact technology, with a mating life of ≥1000 cycles and stable contact resistance ≤3mΩ; the PA66 insulating substrate balances mechanical strength and temperature resistance, with a rated voltage of DC 250V and an operating temperature range of -40℃~+105℃. The six-hole positioning design ensures installation accuracy of ±0.1mm, the asymmetric housing provides physical reverse-connection prevention, and the recommended mating life is 1000 cycles. The U-slot structure supports direct press-in soldering of AWG 10-18 gauge wires without pre-tinning, greatly improving assembly efficiency. It is particularly suited for application scenarios with rigid requirements for "120A-class power + flexible wiring + manual/semi-automatic assembly + ultimate redundancy," such as TWS earbud charging case super-fast-charging ports, smartwatch magnetic charging bases, micro drone battery interfaces, and medical portable device power modules. It pairs precisely with the male connector SYCBCHM01P6R1 to form a complete 120A-class solder-type lithium battery interconnection solution.

The SYCBCHF01P5DIP launched by Sinyinda (SYC) is a 5Pin high-current female connector (solder wire type) designed for 100A-class pure power lithium battery transmission scenarios. This product adopts 5 identical 20A power terminals, supporting 5 parallel current-sharing paths to achieve 100A continuous current capacity, and features true N+3 ultra-high redundancy capability—even if a single pin fails, the remaining 4 pins can still carry 80A normal load; with two pins failed, it maintains 60A emergency operation; with three pins failed, it still supports 40A safe return/shutdown. It adopts copper nickel-plated (50-80μ") high-wear-resistant contact technology, with a mating cycle life of ≥1000 times and stable contact resistance ≤3mΩ; the PA66 insulating substrate balances mechanical strength and temperature resistance, with a rated voltage of DC 250V and an operating temperature range of -40℃~+105℃. The five-hole positioning design ensures installation accuracy of ±0.1mm, the asymmetric housing provides physical reverse-connection protection, and the recommended mating cycle life is 1000 times. The U-slot structure supports direct press-in soldering of AWG 10-18 gauge wires without pre-tinning, greatly improving assembly efficiency. It is particularly suited for application scenarios with rigid requirements for "100A-class power + flexible wiring + manual/semi-automatic assembly + ultimate redundancy," such as TWS earbud charging case super-fast charging ports, smartwatch magnetic charging bases, micro drone battery interfaces, and medical portable device power modules, and pairs precisely with the male connector SYCBCHM01P5R1 to form a complete 100A-class solder wire lithium battery interconnection solution.

The SYCBCHF01P5CSMT launched by SYC is a 5Pin high-current female connector (SMT version) designed specifically for 100A-class pure power lithium battery transmission scenarios. This product features 5 identical 20A power terminals, supporting 5-way parallel current sharing to achieve 100A continuous current capacity, and offers true N+1 redundancy—even if a single pin fails, the remaining 4 pins can still carry an 80A regular load without interrupting power supply. It adopts a copper nickel-plated (50-80μ") high-wear-resistant contact process, with a mating cycle life of ≥1000 times and stable contact resistance of ≤3mΩ; the PA66 insulating substrate balances mechanical strength and temperature resistance, with a rated voltage of DC 250V and an operating temperature range of -40℃ to +105℃. The five-hole positioning design ensures SMT accuracy of ±0.1mm, the asymmetric housing provides physical anti-reverse insertion protection, and the recommended mating cycle life is 1000 times. It is particularly suited for application scenarios with rigid demands for "100A-class power + fully automated assembly + zero manual intervention," such as TWS earphone charging case 100W fast-charge ports, smartwatch magnetic charging bases, micro drone battery interfaces, and medical portable device power modules, and pairs precisely with the male connector SYCBCHM01P5R1 to form a complete 100A-class SMT lithium battery interconnect solution.

SYC (Sinyinda) introduces the SYCBCHF01P4DIP, a 4-pin high-current female connector (solder-tab type) designed for 80A-class pure power lithium battery transmission scenarios. This product features 4 identical 20A power terminals, supporting 4-way parallel current sharing to achieve 80A continuous current carrying, and offers true N+2 redundancy—even if one pin fails, the remaining 3 pins can still carry a 60A normal load without interrupting power supply; with two pins failed, it can still maintain 40A emergency operation. It employs copper-nickel plated (50-80μ") high-wear-resistant contact technology, with a mating cycle life of ≥1000 insertions and stable contact resistance of ≤3mΩ; the PA66 insulating substrate combines mechanical strength with temperature resistance, rated voltage DC 250V, operating temperature -40℃~+105℃. The four-hole positioning design ensures installation accuracy of ±0.1mm, and the asymmetric housing provides physical reverse-polarity protection, with a recommended mating cycle life of 1000 insertions. The U-slot structure supports direct crimping and soldering of AWG 10-18 wires without pre-tinning, significantly improving assembly efficiency. It is particularly suited for applications with rigid requirements for "80A-class power + flexible wiring + manual/semi-automatic assembly," such as TWS earbud charging case super-fast charging ports, smartwatch magnetic charging bases, micro drone battery interfaces, and medical portable device power modules, pairing precisely with the male connector SYCBCHM01P4R1 to form a complete 80A-class solder-tab lithium battery interconnection solution.

The SYCBCHF01P3CSMT launched by Sinyinda (SYC) is a 3Pin high-current female connector (SMT mounting version) designed for 60A-class pure power lithium battery transmission scenarios. This product adopts 3 identical 20A power terminals, supporting 3-way parallel current sharing to achieve 60A continuous current capacity, and features true single-pin failure redundancy—even if one pin fails, the remaining 2 pins can still carry a 40A normal load without interrupting power supply. It adopts a copper nickel-plated (50-80μ") high-wear-resistance contact process, with a mating cycle life of ≥1000 times and stable contact resistance of ≤3mΩ; the PA66 insulating substrate balances mechanical strength and temperature resistance, with a rated voltage of DC 250V and an operating temperature range of -40℃~+105℃. The three-hole positioning design ensures SMT mounting accuracy of ±0.1mm, the asymmetric housing provides physical reverse-connection protection, and the recommended mating cycle life is 1000 times. It is particularly suitable for application scenarios with rigid requirements for "60A-class power + fully automatic assembly + zero manual intervention," such as TWS earbud charging case fast-charge ports, smartwatch magnetic charging bases, micro drone battery interfaces, and medical portable device power modules, and pairs precisely with the male connector SYCBCHM01P3R1 to form a complete 60A-class SMT lithium battery interconnect solution.

The SYCBCHF01P4CSMT launched by Sinyinda (SYC) is a 4Pin high-current female connector (SMT version) designed specifically for 80A-class pure power lithium battery transmission scenarios. This product features 4 identical 20A power terminals, supporting 4-way parallel current sharing to achieve 80A continuous current carrying, and offers true N+1 redundancy capability—even if a single pin fails, the remaining 3 pins can still carry a 60A regular load without interrupting power supply. It employs a copper nickel-plated (50-80μ") high-wear-resistant contact process, with a mating cycle life of ≥1000 times and stable contact resistance of ≤3mΩ; the PA66 insulating substrate balances mechanical strength and temperature resistance, with a rated voltage of DC 250V and an operating temperature range of -40°C to +105°C. The four-hole positioning design ensures SMT placement accuracy of ±0.1mm, the asymmetric housing provides physical reverse-connection protection, and the recommended mating cycle life is 1000 times. It is particularly suited for application scenarios with rigid requirements for "80A-class power + fully automated assembly + zero manual intervention," such as TWS earbud charging case super-fast-charge ports, smartwatch magnetic charging bases, micro drone battery interfaces, and medical portable device power modules, pairing precisely with the male connector SYCBCHM01P4R1 to form a complete 80A-class SMT lithium battery interconnect solution.

The SYCBCHF01P3DIP launched by Sinyinda (SYC) is a 3Pin high-current female connector (solder wire type) specifically designed for 60A-class pure power lithium battery transmission scenarios. This product adopts 3 identical 20A power terminals, supporting 3-way parallel current sharing to achieve 60A continuous current carrying capacity, and features true N+1 redundancy capability—even if a single pin fails, the remaining 2 pins can still carry a 40A normal load without interrupting power supply. It employs a copper nickel-plated (50-80μ") high-wear-resistant contact process, with a mating cycle life of ≥1000 times and stable contact resistance of ≤3mΩ; the PA66 insulating substrate combines mechanical strength and temperature resistance, with a rated voltage of DC 250V and an operating temperature range of -40℃ to +105℃. The three-hole positioning design ensures installation accuracy of ±0.1mm, the asymmetric housing provides physical reverse-connection protection, and the recommended mating cycle life is 1000 times. The U-slot structure supports direct press-in soldering of AWG 10-18 gauge wires without pre-tinning, greatly improving assembly efficiency. It is particularly suited for application scenarios with rigid requirements for "60A-class power + flexible wiring + manual/semi-automatic assembly," such as TWS earbud charging case fast-charge ports, smartwatch magnetic charging bases, micro drone battery interfaces, and medical portable device power modules, and pairs precisely with the male connector SYCBCHM01P3R1 to form a complete 60A-class solder wire lithium battery interconnection solution.

The SYCBCHF01P2DIP launched by Sinyinda (SYC) is a 2Pin high-current female connector (solder wire type·U-slot) designed specifically for 40A-class pure power lithium battery transmission scenarios. This product adopts 2 identical 20A power terminals, supporting 2 parallel current-sharing paths to achieve 40A continuous current carrying, and features true single-pin failure redundancy—even if one pin fails, the remaining pin can still carry a 20A regular load without interrupting power supply. It employs copper nickel-plated (50-80μ") high-wear-resistant contact technology, with a mating cycle life of ≥1000 times and stable contact resistance of ≤3mΩ; the PA66 insulating substrate balances mechanical strength and temperature resistance, with a rated voltage of DC 250V and an operating temperature range of -40℃ to +105℃. The dual-hole positioning design ensures installation accuracy of ±0.1mm, the asymmetric housing provides physical reverse-connection protection, and the recommended mating cycle life is 1000 times. The U-slot structure supports direct press-in soldering of AWG 10-18 gauge wires without pre-tinning, greatly improving assembly efficiency. It is particularly suited for application scenarios with rigid requirements for "40A-class power + flexible wiring + manual/semi-automatic assembly," such as TWS headphone charging case fast-charge ports, smartwatch magnetic charging bases, micro drone battery interfaces, and medical portable device power modules, and pairs precisely with the male connector SYCBCHM01P2R1 to form a complete 40A-class solder wire lithium battery interconnection solution.

SYC's SYCBCHF01P2CSMT is a 2-pin high-current female connector (SMT reflow version) specifically designed for 20A-class pure power lithium battery transmission scenarios. This product features 2 identical 20A power terminals, supporting 2 parallel current-sharing paths for 40A continuous current-carrying capacity, and provides true single-pin failure redundancy—even if one pin fails, the remaining pin can still carry a 20A regular load without interrupting power supply. It adopts a copper nickel-plated (50-80μ") high-wear-resistant contact process, with a mating cycle life of ≥1000 cycles and stable contact resistance ≤3mΩ; the PA66 insulating substrate balances mechanical strength and temperature resistance, with a rated voltage of DC 250V and an operating temperature range of -40℃ to +105℃. The dual-hole positioning design ensures placement accuracy of ±0.1mm, the asymmetric housing provides physical reverse-connection protection, and the recommended mating cycle life is 1000 cycles. It is particularly suited for application scenarios with rigid requirements for "20A-class power + fully automated assembly + zero manual intervention," such as smart wearable device battery compartments, TWS earphone charging cases, micro-drone quick-release battery ports, and medical portable device power interfaces, pairing precisely with the male connector SYCBCHM01P2R1 to form a complete 20A-class SMT lithium battery interconnect solution.

The SYCBCHM01P6R1 launched by Sinyinda (SYC) is a 6-pin high-current plug male connector (current-sharing version) specifically designed for 120A-class pure power lithium battery transmission scenarios. This product adopts 6 identical 20A power terminals, supporting 6 parallel current-sharing channels to achieve 120A continuous current carrying capacity, and features industry-leading N+2 dual redundancy capability—even if any two pins fail simultaneously, the remaining 4 pins can still carry 80A regular load without derating or shutdown, providing dual safety fallback for mission-critical systems. It employs copper nickel-plated (50-80μ") high-wear-resistant contact technology, with a mating cycle life of ≥1000 times and stable contact resistance of ≤3mΩ; the PA66 insulating substrate balances mechanical strength and temperature resistance, with a rated voltage of DC 250V and an operating temperature range of -40℃ to +105℃. The enhanced snap-lock mechanism provides ≥60N holding force, and the asymmetric housing design physically prevents reverse insertion, with a recommended mating cycle life of 1000 times. It is particularly suited for applications with rigid requirements for "100A+ continuous current carrying capacity + ultimate availability," such as megawatt-level energy storage DC-side interconnection, heavy-duty truck battery-swap high-voltage fast charging, marine main propulsion power supplies, and data center UPS lithium battery cabinets, precisely pairing with the female socket SYCBCHM01P6R1F to form a complete 120A-class dual-redundancy power interconnection solution.

The SYCBCHM01P5R1 launched by Sinyinda (SYC) is a 5-Pin high-current plug male connector (current-sharing version) specifically designed for 100A-class pure power lithium battery transmission scenarios. This product adopts 5 identical 20A power terminals, supports 5-way parallel current sharing to achieve 100A continuous current-carrying capacity, and features true N+1 redundancy—even if a single pin fails, the remaining 4 pins can still carry 80A of normal load without derating or shutdown. It employs copper nickel-plated (50-80μ") high-wear-resistant contact technology, with a mating cycle life of ≥1000 times and stable contact resistance ≤3mΩ; the PA66 insulating substrate balances mechanical strength and temperature resistance, with a rated voltage of DC 250V and an operating temperature range of -40℃ to +105℃. The enhanced snap-lock mechanism provides ≥50N holding force, and the asymmetric housing design physically prevents reverse insertion, with a recommended mating cycle life of 1000 times. It is particularly suited for application scenarios with rigid requirements for "hundred-amp-level continuous current-carrying capacity + ultimate reliability," such as high-voltage energy storage cluster-level parallel connection, battery swap station high-power fast charging, heavy-duty AGV/forklift power ports, and marine lithium propulsion systems, precisely pairing with the female connector SYCBCHM01P5R1F to form a complete 100A-class redundant power interconnection solution.

SYC (Sinyinda) launched SYCBCHM01P4R1, a 4-Pin high-current plug male connector (current-sharing version) specifically designed for 80A-class pure power lithium battery transmission scenarios. This product uses 4 identical 20A power terminals with no mixed signal pins, supporting 4 parallel current-sharing paths for 80A continuous current carrying. If a single pin fails, it can still operate at reduced rating to ensure system redundancy safety. It adopts copper-nickel plating (50-80μ") high-wear-resistant contact technology, with a plug/unplug lifespan of ≥1000 cycles and stable contact resistance ≤3mΩ; PA66 insulating substrate balances mechanical strength and temperature resistance, rated voltage DC 250V, operating temperature -40℃~+105℃. The integrated snap-lock mechanism provides ≥40N holding force (30% higher than 2-Pin/3-Pin versions), and the asymmetric housing design physically prevents reverse connection, with a recommended plug/unplug lifespan of 1000 cycles. It is particularly suited for high-power lithium battery application scenarios with rigid requirements for "high current density + dynamic current sharing + redundancy safety," such as 48V/60V lithium battery PACK parallel ports, energy storage PCS DC-side interconnection, battery swap station battery rack interfaces, and AGV fast-charging bases, precisely pairing with the female socket SYCBCHM01P4R1F to form a complete 80A-class pure power lithium battery interconnection solution.

SYC's SYCBCHM01P3R1 is a 3-pin high-current plug male connector specifically designed for 20A-class smart lithium battery power transmission scenarios. Building on a 2-pin pure power design, this product adds one 20A signal channel, supporting NTC temperature monitoring, battery ID recognition, or BMS communication functions, achieving "power + safety/intelligence" single-port integration and completely eliminating the reliability risks caused by traditional separate "power port + signal wire" wiring. It features a copper nickel-plated (50-80μ") high-wear-resistant contact process, with a mating cycle life of ≥1000 cycles and stable contact resistance of ≤3mΩ; the PA66 insulating substrate combines mechanical strength and temperature resistance, with a rated current of 20A (main circuit)/3A (signal), rated voltage of DC 250V, and an operating temperature range of -40°C to +105°C. The integrated snap-lock mechanism provides ≥30N holding force, and the asymmetric housing design physically prevents reverse insertion, with a recommended mating cycle life of 1000 cycles. It is particularly suited for smart lithium battery applications with a rigid demand for "20A power + 1 safety signal synchronization," such as high-end power tool battery packs, energy storage BMS sampling interfaces, AGV battery management ports, and medical equipment backup power supplies, and pairs precisely with the female connector SYCBCHM01P3R1F to form a complete 20A-class smart lithium battery power interconnection solution.

The SYCBCHM01P2R1 launched by Sinyinda (SYC) is a 2Pin high-current plug male connector (copper-nickel plated version) specifically designed for 20A-class lithium battery power transmission scenarios. This product adopts a copper-nickel plated (50-80μ") high-wear-resistant contact process, with a mating cycle life of ≥1000 times and stable contact resistance ≤3mΩ, perfectly balancing conductivity, wear resistance, and cost; the PA66 insulating substrate combines mechanical strength and temperature resistance, with a rated current of 20A, rated voltage of DC 250V, and operating temperature range of -40℃~+105℃. The integrated snap-lock mechanism provides ≥30N retention force, supports one-hand quick mating and unmating, with a recommended mating cycle life of 1000 times. It is particularly suitable for scenarios with rigid requirements for "20A continuous current-carrying + wear resistance + cost sensitivity," such as lithium battery PACK output interfaces, power tool battery packs, two-wheeled electric vehicle charging ports, AGV automatic charging contacts, and portable energy storage power supplies, precisely pairing with the female connector SYCBCHM01P2R1F to form a complete 20A-class lithium battery power interconnection solution.

SYCBCWL206F, the new national standard 40A waterproof composite socket outlet (single-rib version) launched by Sinyinda (SYC), is a precision interface developed specifically to break through the bottleneck of "compact size, high-power composite interconnection." Within an extremely compact footprint of only 55×21×24mm, it innovatively integrates a 40A main power circuit and 4 independent signal channels, achieving "six functions in one port." Featuring a single-rib physical anti-misinsertion structure, combined with an asymmetric pin layout, it completely eliminates the risk of incorrect insertion at the mechanical level. The housing is made of high-strength PA66+GF30 engineering plastic, paired with a silicone sealing ring and snap-lock fastening, achieving an IP67 protection rating. The internal conductors use T2 copper with silver plating, featuring a contact resistance of ≤0.8mΩ, supporting continuous 40A/250V AC or DC full-load operation with a temperature rise of <35K. Certified under CCC compulsory requirements, it is suitable for scenarios with dual stringent demands on space and performance, such as portable energy storage power supplies, handheld power tools, medical monitors, industrial HMI panels, and drone base stations.