Load Capacity (VA) 1500 VA Load Capacity (Watt) 900 W USB Yes Serial Port Yes Typical Battery Recharge Time 4.50 Hour Plug/Connector Type NEMA 5-15P Receptacle Type NEMA 5-15R Transfer Time 4 ms Receptacle Detail 8 x NEMA 5-15R Ideal for protecting sensitive electronics from power interruptions: Backup/Run Time (Half Load) 12 Minute & Backup/Run Time (Full Load) 4 Minute