14.8V 4S 30A 18650 Li-ion Lithium Battery BMS PCB Integrated Circuits Protection Board Cell Balance.
High-accuracy voltage detection circuit, fine workmanship and durable.
Working current: 30A.
Charging voltage: 16.8V -18V, the best is 17v.
Size: 56*48*4mm.
Main function: Over charge protection, over discharge protection function, short circuit protection function, over current protection function, balance.