Input Voltage Range: 160 - 280V Input Frequency: 50/60 Hz +/- 5 Hz (auto sensing) Output Voltage: 208V Outlets: 4 Outlet Type: (2) NEMA L6-20R (2) NEMA L6-30R Battery Run Time: 0.11 Hour 3.50 kW Full Load 0.30 Hour 1.75 kW Half Load Battery Recharge Time: 2.50 hour(s) Battery Replaceable: RBC44