ITEM NAME:17S 64V 45A Li-Ion Battery Bms Pcb Protection Board With Balance Module For R1I7 17S 64V 45A Li-Ion Battery Bms Pcb Protection Board With Balance Module For R1I7 Name: 17S 64V 45A Li-ion Battery BMS PCB Protection Board Over-charge: 4.25+/-0.025V Over discharge: 2.8+/-0.08V Balance Current: 42+/-5mA Current: within 45A Suitable for: nominal 3.7(3.6)V Battery Cells Application: Electric vehicle, tricycle, motorcycle, high power equipment, etc Main Functions:Over charge protection, Over discharge protection function, Short circuit protection function, Over current protection function, with band balance Connections: Step1: Connect charging/discharging wire, battery pack negative wire Step2: After confirm the wires are connected OK, plug the connector cable in the BMS DO NOT plug CONNECTOR CABLE in the BMS before connect wire!! Attention, ESD protection during work colour:Silver + green Material:Metal + PCB size:120*60*10mm Package Contents: 1x 17S 64V 45A Protection Board 1x Cable Wire