Features: 1.Applicable Battery: The applicable battery type is NCM, LFP, the recommended battery capacity is 60?300AH, and the voltage is 2.2V?4.5V. If voltage protection is required, it is best to use it in parallel with the BMS protection board. 2.Equalization Method: Battery balancer is detected that the voltage difference between adjacent batteries is greater than 0.1V to trigger the equalization start, and the voltage difference between adjacent batteries is less than 0.03V to stop working. 3.Voltage Balance Accuracy: 30mV between adjacent voltages (typical value), the balance current is 0.1V, the voltage difference is 0.5A, the maximum balance current is 1.2A when the voltage difference is above 0.2V, and the under voltage protection sleep voltage is less than the adjacent voltage difference. 0.03V, enter sleep state. 4.Note: Compatibility with low strings is not recommended, the indicator light will flash and report an error. Be sure to check that each cell is properly wired and insulated before connecting the balancing board. Otherwise, it will short circuit and burn the board. 5.Warm Tips: The balance board is not a BMS protection board, it is an auxiliary of the protection board, so no matter how bad the battery is, it can be used, but there is no overvoltage and overdischarge protection function. specification:Item Type: Lithium Battery Active Equalizer Material: PCB, Metal Aluminum Working Voltage: 2.2V-4.5V Applicable Battery Type: NCM, LFP PackageList:1 x Lithium Battery Active Equalizer 5 x Conductor Wire