48V-30Ah Base Station Batteries Model: TP-4830T 48V 30Ah Base Station Battery Nominal Voltage: 48V Nominal Capacity: 30Ah Nominal Energy: 1440Wh Max Continuous Discharge: 30A Built-in BMS: Yes (Over-voltage, over-current, short circuit, temperature protection) Battery Type: LiFePO4 (Lithium Iron Phosphate) Cycle Life: 3000 cycles @ 80% DOD Weight: Approx. 25 kg Dimensions: 442*400*177 mm Certificates: UN38.3 / MSDS / CE https://www.topakpowertech.com/base-station-backup-battery/base-station-batteries