- Products
- PRODUCTS
-

- Sinyinda SYCBCWL089F 6-Pin High-Current Lithium Battery Female Connector | IP67 Waterproof · M3 Thread Mounting · 64.4×18.2×15mm Ultra-Thin Power InterfaceIP67 Protection · M3 Thread Locking · 6-Pin High-Current Capacity · Phosphor Bronze Tin-Plated Terminals · -40℃ to +125℃ Wide Temperature Range · Designed for Handheld Devices/Embedded Systems/High-Vibration Environments
- SYCBCWL089F 6Pin high-current lithium battery female connector, launched by SYC, is an ultra-thin and compact power interface specially developed for high-power-density lithium battery packs. This model adopts a high-strength PA66+GF30 engineering plastic housing, combined with a silicone sealing ring and M3 threaded locking structure, achieving IP67 protection rating, capable of resisting rain, dust, and salt spray erosion; the internal 6 conductive terminals use phosphor bronze base material with surface tin plating process (Sn≥3μm), with a rated current of up to 30A per pin, supporting continuous 150A/60V DC full-load operation across the entire row, with contact resistance ≤0.5mΩ and temperature rise <30K. The external dimensions are only 64.4×18.2×15mm, with a thickness reduced by approximately 5mm compared to conventional models, and both sides are equipped with M3 threaded mounting holes, perfectly adapting to the ultra-thin battery compartment space constraints of handheld power tools, portable energy storage power supplies, drone base stations, and light electric vehicles. It has passed CCC mandatory certification and RoHS environmental directive, suitable for all lithium battery application scenarios with extreme requirements for safety, environmental adaptability, and space efficiency.
-

- Sinyinda SYCDM27P12R1R2 12-Pin Lithium Battery Male Connector | LCP Withstands 260℃ · Gold-Plated Low Resistance · 2.7mm Pitch · 15A Per Pin · DIP Through-Hole · Exclusively for AI Drones2.7mm High-Density Space Saving · 15A Per Pin High Current Capacity · LCP Withstands 260℃ Wave Soldering · Gold-Plated Contacts ≤5mΩ · DIP Holding Force ≥100N · Designed for AI Robots/Drones/Portable Energy Storage
- SYC (Sinyinda) launched SYCDM27P12R1R2 (LCP gold-plated version), a 12-pin high-density lithium battery connector male header (DIP through-hole type) designed for high-power-density 15A-class power/signal hybrid transmission + space-constrained scenarios. This product features an ultra-compact 2.7mm pitch design, with PCB footprint width of only approximately 35mm, saving 46% lateral space compared to traditional 5.0mm solutions. Combined with LCP liquid crystal polymer substrate, the heat deflection temperature is ≥340°C (1.8MPa), capable of withstanding 260°C lead-free wave soldering peak temperature (3-5s) without deformation or blistering, while maintaining stable dielectric constant (Dk≈3.0@1GHz) to ensure high-speed signal transmission integrity. Single-pin rated current is 15A, total current capacity 180A, meeting high-current demands of AI robots, drones, and similar applications. Key upgrade: contact area adopts gold plating process (Au 0.05-0.1μm over Ni), significantly reducing contact resistance to ≤5mΩ, greatly enhancing oxidation resistance and fretting corrosion resistance. DIP through-hole structure with dual alignment posts (height 3.5mm) provides PCB axial retention force ≥100N and radial retention force ≥60N, capable of withstanding repeated mating/unmating and high-frequency vibration stress. Specifically suited for AI robot battery packs, industrial drone power interfaces, portable energy storage BMS, power tool fast-charge modules, and other application scenarios with rigid requirements for "high density + high current capacity + high mechanical strength + 260°C process + signal integrity," precisely pairing with female header SYCDF27P12R1R2 to form a complete 15A-class 2.7mm-pitch high-density DIP lithium battery interconnect solution.
-

- SYC SYCZF01P5CSMT 5-Pin Lithium Battery Female Header | PA9T withstands 260°C · CTI≥400V · 5.0mm pitch · 10A per pin · SMTPA9T withstands 260°C reflow soldering · CTI≥400V high insulation · 5.0mm safe creepage distance · 10A per-pin current capacity · SMT side-mount/horizontal-mount compatible · Designed for automotive BMS/energy storage high voltage/industrial AGV
- SYC (Sinyinda) launched SYCZF01P5CSMT (PA9T version), a 5-pin lithium battery connector female header (SMT type) designed for 10A-class power and signal hybrid transmission + fully automatic SMT assembly. This product uses PA9T high-performance substrate with heat deflection temperature ≥310°C (1.8MPa), capable of withstanding 260°C lead-free reflow soldering peak temperature (10s) without deformation or blistering; CTI value ≥400V (33% improvement over PA6T's 300V), meeting stringent insulation requirements of IEC 60664-1 overvoltage category III, pollution degree 3. The 5.0mm standard pitch ensures creepage distance ≥4.5mm, single-pin rated current 10A, total current capacity 50A, supporting integrated BMS communication lines and power lines in the same port. SMT structure with dual alignment posts provides PCB retention force ≥80N, with vibration and shock resistance meeting automotive-grade LV214 standard. Asymmetric housing + guide groove provide dual anti-mismating protection, completely eliminating reverse insertion risk; tin-plated contacts (3-5μm) balance solderability and wear resistance, with mating cycle life ≥500 cycles. Specifically suited for automotive BMS sampling ports, energy storage high-voltage box interfaces, industrial AGV charging contacts, medical portable device power modules, and other application scenarios with rigid requirements for "260°C process + high CTI insulation + 10A hybrid transmission + SMT automatic assembly," precisely pairing with male header SYCZM01P5R1H590 to form a complete 10A-class 5.0mm-pitch high-reliability lithium battery interconnect solution.
-

- SYC SYCBCJY16PM 16-Position Connector Male Header | 42.0mm high density · Copper gold-plated contacts · 5A rated current · M2 screw fixing · 2000 mating cycles.0mm×10.5mm high-density layout · Copper gold-plated (1u) contacts · 5A/DC 500V electrical performance · PA insulating substrate · -20°C~+120°C wide temperature range · Designed for drones/RC models/industrial automation
- SYC (Sinyinda) introduces the SYCBCJY16PM 16-position connector male header, a micro precision interface designed for ultra-high-density signal and power hybrid transmission. This product features a high-strength PA engineering plastic housing with copper-gold-plated (1u) contacts, achieving 16 independent channels within a compact footprint of only 42.0mm × 10.5mm; rated current 5A, rated voltage DC 500V, with transient current up to 7A, meeting the demands of multi-channel signal and low-power hybrid transmission. It is RoHS certified, with a recommended mating cycle life of up to 2000 insertions, and features four M2 countersunk screw holes at the corners, making it perfectly suited for scenarios demanding extreme space efficiency and signal integrity, such as drone flight controller expansion modules, multi-channel hubs for RC receivers, multi-parameter monitoring cables for medical equipment, and industrial automation control systems.
-

- SYC SYCBCHF01P4DIP 4Pin Lithium Battery Female Connector | 4×20A Current Sharing · 80A Total Current Capacity · Solder-Tab Type · U-Slot · Copper-Nickel Plated · PA664-way 20A homogeneous power circuit · Copper-nickel plated (50-80μ") contacts · PA66 insulating substrate · -40℃~+105℃ wide temperature range · U-slot wire clamping · Designed specifically for TWS fast charging/smartwatches/micro drones
- 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.
-

- SYC SYCBCHM01P4R1 4Pin Lithium Battery Male Connector | 4×20A Current Sharing · 80A Total Current Capacity · Copper-Nickel Plated · PA66 · Designed for Energy Storage Battery Swapping4-way 20A homogeneous power circuit · Copper-nickel plated (50-80μ") contacts · PA66 insulating substrate · -40℃~+105℃ wide temperature range · Snap-lock latching · Designed specifically for energy storage parallel connection/battery swap cabinets/AGV fast charging
- 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.
ABOUT US
Dongguan Sinyin Electronic Technology Co., Ltd. is a leading enterprise in high-precision electronic components, integrating R&D, manufacturing, and sales. Located in Dongguan, it boasts a 5,000㎡ modern intelligent manufacturing base. The company focuses on providing high-quality switches, sockets, and connectors for new energy, AI robots, smart homes, automotive electronics, and other fields, offering one-stop solutions for customized customer needs.
-
- 20+
- 20+ years of connector manufacturing experience
-
- 500+
- Over 500 cooperative partners
-
- 5000+
- Company area of 5,000 square meters
-
- 150000000+
- Annual output of over 150 million connectors/precision components
- FIVE CORE STRATEGY
- Five Core Capabilities
20+ years of precision manufacturing expertise |
Full-chain controllable assurance from R&D to delivery
Full-chain controllable assurance from R&D to delivery
Full-process service from requirement research to mass production and delivery. High-current, Pogo Pin, and magnetic connection technologies specially developed for new energy and AI robots provide foundational support for highly reliable connection solutions.
-
- R&D and Design Capabilities
- We focus on the full-process R&D of magnetic, Pogo Pin, and high-current connectors, with user experience and electrical safety at the core. We replace parameter stacking with simulation modeling, rapid prototyping, and automotive-grade validation. We transform the natural experience of "precise alignment, stable current carrying, and long-lasting durability" into reliable, mass-producible solutions, providing tailored connection solutions for devices.
-
- Precision Mold Manufacturing
- We provide full-process manufacturing services for precision molds supporting connectors, addressing industry pain points such as complex structures and inconsistent mass production with micron-level machining precision and strict quality control. We support non-standard customization for magnetic, Pogo Pin, and high-current connectors, ensuring molds accurately reproduce designs and guaranteeing consistent experience and performance from samples to mass production.
-
- Customization Capabilities
- We provide full-scenario customization services for magnetic, Pogo Pin, and high-current connectors, converting device requirements into tailored solutions through in-depth scenario analysis and one-on-one technical collaboration. We support small-batch trial production and flexible mass production, ensuring precise product fit and reliable experience, thoroughly resolving the industry pain point of standard products being "good enough but not ideal."
-
- Quality Control
- We have established a full-process quality control system covering magnetic, Pogo Pin, and high-current connectors, replacing simple parameter inspection with user experience and electrical safety. Through multi-dimensional testing and data traceability, we ensure products meet functional standards and remain reliable over the long term, eliminating quality risks where products "pass in the lab but fail in real-world use."
-
- Production Management Capabilities
- We have built a lean production system tailored to magnetic, Pogo Pin, and high-current connectors, resolving the conflict between non-standard customization and stable mass production through modular scheduling and visual tracking. This system ensures consistent quality and controllable lead times from trial production to batch delivery, completely eliminating issues of delivery delays and quality fluctuations.

- CORE STRATEGY
- Solve 6 Major Industry Challenges
-
- Uncertain delivery cycles
- Full-process digital control, transparent and traceable delivery cycles
-
- Opaque pricing
- Open and transparent quotation system, ensuring long-term stable cooperation
-
- Poor product quality
- Full-chain quality control system, 100% inspection before shipment
-
- Inferior product materials
- Importing high-end raw materials, meeting the highest industry standards
-
- Slow sampling speed
- Fast sampling channel, samples delivered within 72 hours
-
- Poor after-sales service
- 7x24-hour dedicated customer service, full lifecycle support
- Application Areas
- Application Areas
- news center
- Learn about electronic component knowledge
2026-04-23
-

2026-04-29
- Main Types and Characteristics of High-Current Battery Connectors
- As the core component for energy transmission in high-power scenarios, high-current battery connectors are widely used in new energy vehicles, energy storage systems, industrial equipment, data centers, and other fields.
-

2026-04-23
- Application Scenarios of High-Current Battery Connectors
- High-current battery connectors are connection devices specifically designed for high-load, high-current transmission. They feature strong current-carrying capacity, stable conductivity, vibration resistance, aging resistance, long mating cycle life, and high safety protection ratings, capable of stably carrying currents ranging from tens to hundreds of amperes.
-

2026-04-23
- Rugged and Durable, Fearless in Harsh Conditions: Core Advantages and Application Analysis of Waterproof Metal Push Button Switches
- Waterproof metal push button switches, with their outstanding ruggedness, dust and water resistance, and premium appearance, have become indispensable core control components in industrial control, outdoor equipment, and high-end consumer electronics.
-

2026-04-23
- Empowering Extreme Space Efficiency: Core Application Fields of Pogo Pin Connectors
- Pogo pin connectors, due to their miniaturization, long lifespan, vibration resistance, high fault tolerance, and unique physical structure that easily pairs with magnetic designs, have evolved from early test probes into core connection components for modern smart hardware across various sectors.
Need a Customized Electronic Component Solution?
For various substrates, different solutions and product types are adopted. Please consult us.



















