Input Voltage Range: 82 - 147V Input Frequency: 50/60 Hz +/- 3 Hz (auto sensing) Output Voltage: 120Vac +/- 5% Outlets: (6) NEMA 5-15R (2) NEMA 5-20R Battery Run Time: Typical Backup Time at Half Load: 11.9 minutes (1425 Watts) Typical Backup Time at Full Load: 3.5 minutes (2850 Watts) Battery Recharge Time: 3 hour(s) Interface Port: RS-232, USB Management Software: YES