Series: Endeavor Input Voltage Range: 90 - 138 VAC Input Frequency: 50/60Hz +/-6Hz Auto-sensing Output Voltage: Non-battery opeartion: 117.6 - 122.4 VAC Battery Operation: 120 VAC, User selectable: 110 VAC Outlets: 7 Battery Run Time: Full Load: 4 minutes Half Load: 13 minutes Interface Port: RS-232, USB, Remote EPO Connection Management Software: YES