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Introducing the BMS 3S 4S 40A 60A 18650 Li‑Ion Battery Charger Protection Board – the ultimate power management solution for high‑performance drilling motors and other demanding applications. Designed to deliver reliable, safe, and efficient battery protection, this board supports 3‑cell (11.1 V) and 4‑cell (14.8 V) 18650 packs, with an optional 16.8 V configuration for advanced users.
Key Features
- Dual current ratings: 40 A for 3S packs and 60 A for 4S packs, ensuring optimal performance under heavy loads.
- Built‑in cell balancing for 18650 Li‑Ion batteries, extending pack life and maintaining uniform voltage distribution.
- Comprehensive protection: over‑charge, over‑discharge, short‑circuit, over‑current, and thermal protection.
- Compact, lightweight PCB design that fits easily into most drilling motor housings.
- High‑quality components and robust solder joints for long‑term reliability.
Specifications
- Cell Configuration: 3S / 4S (11.1 V / 14.8 V) with optional 16.8 V (4S) setup.
- Maximum Current: 40 A (3S) / 60 A (4S).
- Battery Type: 18650 Li‑Ion.
- Protection Functions: Over‑charge, over‑discharge, short‑circuit, over‑current, thermal.
- Input Voltage: 3.5 V – 4.2 V per cell (typical 3.6 V).
- Dimensions: 50 mm × 30 mm (approx.) – check datasheet for exact size.
- Operating Temperature: –20 °C to +60 °C.
Compatibility & Applications
- Ideal for high‑power drilling motors, CNC machines, power tools, and robotics.
- Compatible with 18650 Li‑Ion packs up to 4 cells in series.
- Works seamlessly with standard charger modules and battery management systems.
- Suitable for hobbyists, DIY enthusiasts, and industrial users seeking reliable battery protection.
Safety & Quality Assurance
- Certified to UL and CE safety standards for electronic protection circuits.
- Redundant protection layers reduce risk of fire and battery damage.
- High‑grade MOSFETs and protection ICs ensure low resistance and fast response.
- Temperature‑controlled operation prevents overheating during high‑current discharge.
Installation & Usage
- Connect the board to your 18650 battery pack using the provided JST or XT60 connectors.
- Wire the charger input to your charging module, ensuring correct polarity.
- Use the balance leads to monitor and equalize each cell voltage.
- Follow the included wiring diagram for optimal performance and safety.
Warranty & Support
- Two‑year limited warranty covering manufacturing defects.
- 24/7 technical support via email or phone for installation and troubleshooting.
- Comprehensive product manual and FAQs available on our website.
Upgrade your drilling motor’s power system with the BMS 3S 4S 40A 60A 18650 Li‑Ion Battery Charger Protection Board and experience unmatched safety, reliability, and performance.
Price: $ 2.16