Backup/Run Time (Full Load) 2 Minute Typical Battery Recharge Time 12 Hour Input Current 15 A Surge Energy Rating 1103 J Waveform Type Stepped Approximated Sine Wave Load Capacity (VA) 850 VA Load Capacity (Watt) 510 W Plug/Connector Type NEMA 5-15P Receptacle Type NEMA 5-15R Number of Battery & Surge Outlets 8 Transfer Time 10 ms Receptacle Detail 4 x NEMA 5-15R Surge 4 x NEMA 5-15R