General description 4X 4S 5A Whole Group Balancer Active Board is designed for lithium, Lipo, and Lifepo4 batteries, ensuring efficient energy transfer and equalization across battery cells. This device features under-voltage sleep protection, automatically entering a low-power state when the voltage drops below 3.0V, with a standby power consumption of less than 0.1 mA. Technical specifications Voltage under-voltage sleep protection: activates below 3.0V Standby power consumption: less than 0.1 mA Measurement allowed error: +/- 1-3 cm Color: black Material: PCB Package Contents 4 x Equalizer Energy Transfer Board (4 strings)