Backup/Run Time (Half Load) 15 Minute Backup/Run Time (Full Load) 3 Minute Battery Characteristics Spill-proof, Maintenance-free Typical Battery Recharge Time 8 Hour Surge Energy Rating 480 J Waveform Type Stepped Approximated Sine Wave Load Capacity (VA) 500 VA Load Capacity (Watt) 300 W Dataline Protection RJ-11 Plug/Connector Type NEMA 5-15P Receptacle Type NEMA 5-15P Number of Battery & Surge Outlets 6 Receptacle Detail 3 x NEMA 5-15R 3 x NEMA 5-15R Surge