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

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.

• Modular design for easy integration, suitable for various industrial and solar system applications.

Application Scenarios

• Energy Storage Systems (ESS)

• Electric Power Tools
• Home Solar Battery Systems
• Drones and DIY Custom Li-ion Battery Packs

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