48V-80Ah Base Station Backup Battery Model: TP-4880T 48V 80Ah Base Station Battery Nominal Voltage: 48V Nominal Capacity: 80Ah Nominal Energy: 3840Wh Max Continuous Discharge: 80A 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. 45 kg Dimensions: 442*480*177 mm Certificates: UN38.3 / MSDS / CE https://www.topakpowertech.com/base-station-backup-battery/base-station-backup-battery