ITEM NAME:14S 45A 52V Lithium Li-Ion Battery Bms Protection Board Pcb With Balance Mo L2V1 14S 45A 52V Lithium Li-Ion Battery Bms Protection Board Pcb With Balance Mo L2V1 With overcharge protection,over discharge protection,over current protection. Short circuit protection,temperature protection. Fine workmanship and good performance. Long service life. Color:Silver +Green Material:metal +PCB Size:120*60*10mm Package Contents: 1 x Lithium Battery Protection Board.1 x Lithium Battery Protection Board. Short circuit protection,temperature protection.