Battery Quantity: 8 Replacement Battery Cartridge Quantity: 2 Circuit Breaker: 70 A Input Frequency Range: 50 Hz - 60 Hz Input Plug Type: IEC-320 C14 Input Voltage Range: 100 VAC - 240 VAC Nominal Input Voltage: 120 VAC Operating Elevation: 0 - 10000 ft (0 - 3048 m) Operating Relative Humidity: 0 - 95 % (non-condensing) Operating Temperature: 32 - 104 °F (0 - 40 °C) Storage Elevation: 0 - 50000 ft (0 - 15239 m) Storage Relative Humidity: 0 - 95% (non-condensing) Storage Temperature: 5 - 113 °F (-15 - 45 °C) Output: 48V/70A Recharge time: 6 hours Battery type & quantity: 12V/9AH (8) Weight: 66.2 lbs. Form factor: Rack/Tower Hot swappable: Yes