Hot Swappable Yes Number of Batteries 1 Backup/Run Time (Half Load) 13 Minute Backup/Run Time (Full Load) 2 Minute Typical Battery Recharge Time 8 Hour Emergency Power OFF No Plug/Connector Type NEMA 5-15P Receptacle Type NEMA 5-15R Transfer Time 4 ms Receptacle Detail 8 x NEMA 5-15R Load Capacity (VA) 825 VA Load Capacity (Watt) 450 W