How to connect a bms to battery cells?
1．Connect the B-wire (thick blue wire) to the main negative terminal of the battery； 2．Ensure that the row of wires is not plugged into the protection board before connecting them. 3．Start with the thin black wire to B-, connect the second wire (thin red wire) to the positive terminal of the first battery string, then […]
What is the difference between PCM between BMS?
The PCM (full form: Protection Circuit Module) or PCB(Full form: Protection Circuit Board) is the “heart” of the Li-ion battery pack. It will protect the Lithium battery from overcharging, overdischarging and short circuits etc., avoiding explosion, fire and damage to the battery pack. For low voltage packs (<20 cells), a balanced PCM should be selected […]