20S 72V 45A 18650 Lithium Battery Protection Board PCB Active Balancer Charger Power Bank Charging Supply

Accessory Type: Charger Accessories Model Number: 20S 72V 45A/80A 18650 Lithium Battery Protection Board Attention when connecting: When we connect with cells or disassemble from battery pack, the following order and regulations must be complied with to avoid damage of components of and problems of not protecting of cells. In order to achieve the best performance of and to run the distance, all the battery must be matched well (Each battery voltage less than equal 0.05V, IR less than equal 15 mΩ,capacity less than equal 30mAh) to make sure the better consistency of the battery. Cell must be connected in parallel first, after then connected in series Order of connection: Step1: Connect charging /discharging wire , battery pack negative wire Step2:After confirm the wires are connected OK, plug the connector cable in the DO NOT plug CONNECTOR CABLE in the before connect wire!! Attention, ESD protection during work. colour:Silver Material:Metal + plastic size:120 x 60 x 10mm Package Contents: 1 x Battery Protection Board