... energy system storage battery, Start battery, backup/standby power, EV/HEV backup battery, E-bike/E-scooter battery, storage batter. Li-ion rechargeable energy now is developing ... or carton are available Item NO.Categorypcs/box, boxes/ctnMeasurement Bal-15S-48V20AH LiFePO41, 4 450*355*320 mm 2. BMS parameterOver-discharge ...