13S 48V 15A/30A lithium battery Balance BMS 3.7V Same port PCM PCB diy 13 Series 48V 20Ah 30Ah E-bike battery Protective board
USD 9.28USD 14.50
13S 48V 15A/30A lithium battery Balance BMS 3.7V Same port PCM PCB diy 13 Series 48V 20Ah 30Ah E-bike battery Protective board