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Professional-Grade Li-ion Battery Protection Board (BMS)
Ensure the safety and longevity of your lithium-ion battery packs with our high-performance 3S and 4S Battery Management System (BMS). Engineered for reliability, this protection board is the ideal solution for DIY battery projects, power tools, and electric motors. Whether you are building a custom 11.1V/12.6V pack for a drill or a 14.8V/16.8V system for high-drain applications, this BMS provides essential protection against over-charging, over-discharging, and short circuits.
Key Features & Benefits
- Multiple Configuration Options: Available in 3S (3 Series) and 4S (4 Series) configurations to match your specific voltage requirements (11.1V/12.6V or 14.8V/16.8V).
- High Current Capacity: Choose from 20A, 40A, or 60A continuous discharge ratings to handle high-power demands from drill motors, e-bikes, and other heavy-duty devices.
- Comprehensive Protection: Built-in safeguards against over-charge, over-discharge, over-current, and short-circuit conditions to prevent battery damage and fire hazards.
- Cell Balancing: Features intelligent balance functionality to ensure all cells in the pack maintain equal charge levels, maximizing battery lifespan and efficiency.
- Compatible with 18650 Cells: Designed specifically for standard 18650 lithium-ion batteries, making it easy to integrate into existing or new battery builds.
Specifications
Voltage Configurations: 3S (11.1V Nominal / 12.6V Max) or 4S (14.8V Nominal / 16.8V Max)
Current Ratings: 20A, 40A, or 60A (Please select the appropriate amperage for your application)
Function: Charge Protection, Discharge Protection, and Cell Balancing
Application: Power Tools, Electric Bikes, Solar Storage, DIY Electronics, and Motor Drives
Why Choose This BMS?
A reliable Battery Management System is not just an accessory; it is a critical safety component. By monitoring the voltage of each cell and balancing the charge, this BMS prevents the common issues of cell imbalance that lead to reduced capacity and premature failure. With robust build quality and precise electronic components, this protection board delivers the peace of mind you need for high-performance battery applications. Upgrade your battery pack today with a BMS that prioritizes both performance and safety.
Price: Original price was: $ 3.99.$ 1.32Current price is: $ 1.32.