3S/4S/5S BMS 12V 16.8V 21V 3.7V 100A Li-ion Ternary Lithium Battery Protection Circuit Board Li-polymer Balance Charging Board
USD 5.48USD 7.83
3S/4S/5S BMS 12V 16.8V 21V 3.7V 100A Li-ion Ternary Lithium Battery Protection Circuit Board Li-polymer Balance Charging Board