The 2S 20A Lithium Battery Protection Board (Smart BMS) is a high-performance battery management system designed to ensure the safe and stable operation of 2-series (2S) lithium-ion or lithium-polymer battery packs. With a robust 20A continuous discharge current rating, this BMS provides comprehensive protection against overcharge, over-discharge, overcurrent, and short circuits, making it ideal for a wide range of applications, including electric vehicles, portable power stations, solar energy storage, drones, and DIY battery projects. Its intelligent balancing feature enhances battery lifespan by maintaining uniform cell voltages, while compact design and easy integration offer flexibility for both commercial and hobbyist use.
Specifications
Compatibleinterface |
SMBUS/IIC |
Continuous Discharge Current | 20A |
Over charge detection voltage(Cell) |
4.100V±0.050V Adjustable |
Dimensions |
Length 120 mm Width 53.5 mm Height 2.5 mm |
Over Discharge Detection Voltage(Cell) |
3.100V±0.050V Adjustable |
Compliant certification standards | IEC62133 |
Over Current Discharge |
25.0A±0.5A Adjustable |
Type of Protective Board | 2S lithium battery protection board |
Over Current Charge
|
25.0A±0.5A Adjustable |
Protection | OV, UV, OC, SC, OT, Balance |
Discharging Temperature |
-22~60℃ Adjustable |
|
0~45℃ Adjustable |
Key Features
Through the SMBUS/IIC communication protocol, real-time feedback on battery status (such as SOC, SOH, temperature) is provided, supporting data interaction with host devices for easy system integration.
Built-in protections for over-voltage, under-voltage, short-circuit, over-current, and temperature to ensure safe battery operation.
Supports active balancing function to extend battery pack life and improve consistency.
Application Scenarios
Energy Storage Systems (ESS)
Warranty & Support
12-month warranty with lifetime technical support
100% tested before shipment to ensure safety and reliability
Dedicated account manager and technical support with 48-hour response