48V-50Ah Base Station Backup Power Model: TP-4850T 48V 50Ah Base Station Battery Nominal Voltage: 48V Nominal Capacity: 50Ah Nominal Energy: 2400Wh Max Continuous Discharge: 50A 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. 28 kg Dimensions: 442*300*133 mm Certificates: UN38.3 / MSDS / CE https://www.topakpowertech.com/base-station-backup-battery/base-station-backup-power