... Solar System Battery 12V20Ah with BMS/PCM/PCB + Charger +case, using lifepo4 battery cells.Specification: Model:TB-1220FType: ... switchboard, electric equipments,medical-equipments,power instruments and meters2.Computer, uninterrupted power source (UPS)3.Power transmission and transformer station, ... CE,RoHS• Our main battery include: LiFePO4 battery,Power tools battery,E-bike battery,E-Scooter battery, ...