Input Voltage Range: 120V Input Frequency: 60Hz +/- 3 Hz Output Voltage: 120V Outlets: 6 NEMA 5-15R Battery Run Time: Full load runtime: 10 minutes (640 watts) Half load runtime: 25 minutes (320 watts) Battery Recharge Time: 2-4 hours to 90% Interface Port: RS-232, USB Approvals: UL1778 (USA), cUL (Canada), Class A (emissions), NOM (Mexico)