20s bms 60V LPF4 17s PCM 72V e-bike bms 30A 40A 50A LiFePo4 lithium battery equalization function overcurrent protection BMS
USD 24.24USD 40.40
20s bms 60V LPF4 17s PCM 72V e-bike bms 30A 40A 50A LiFePo4 lithium battery equalization function overcurrent protection BMS