1,BMS for lithium battery pack. 2,Can communication with ourself charger 3,BMS+Sampling wire+Dispaly+current sensor BMS Components :This ... 20cells,24cells LiFePo4 battery pack. 1, Equalization board :One board per cell, mounted on each cell pole.Monitors voltage of each ... cellCell balancing 2, Main Control unit : 3, LCD Display :4, Wired cord ...