USB Yes Network (RJ-45) Yes Serial Port Yes Interfaces/Ports USB Yes Network (RJ-45) Yes Serial Port Yes Surge Energy Rating 540 J Waveform Type Sine Wave Load Capacity (VA) 1920 VA Load Capacity (Watt) 1800 W Hot Swappable Yes Backup/Run Time (Half Load) 28 Minute Backup/Run Time (Full Load) 11 Minute Battery Characteristics Maintenance-free, Sealed, Spill-proof Typical Battery Recharge Time 3 Hour Plug/Connector Type NEMA 5-20P Receptacle Type NEMA 5-20P Number of Battery & Surge Outlets 7 Receptacle Detail 1 x NEMA L5-20R /3 x NEMA 5-15R / 3 x NEMA 5-20R