USB (HID Compliant) Port Yes Alarm On Battery - Overload -Low Battery Hot Swappable Yes Number of Batteries 1 Backup/Run Time (Half Load) 13.50 Minute Backup/Run Time (Full Load) 4.30 Minute Battery Characteristics Maintenance-free, Sealed, Leak-proof Replaceable Battery Yes Typical Battery Recharge Time 12 Hour Input Current 15 A Surge Energy Rating 1103 J Waveform Type Stepped Approximated Sine Wave Output Frequency 60 Hz Input Frequency 60 Hz Load Capacity (VA) 1000 VA Load Capacity (Watt) 600 W Dataline Protection RJ-45 / Coax Plug/Connector Type NEMA 5-15P Receptacle Type NEMA 5-15R AVR Yes Number of Battery & Surge Outlets 8 Number of Surge-only Outlets 4 Transfer Time 10 ms Receptacle Detail 4 x NEMA 5-15R / 4 x NEMA 5-15R Surge