Output Power Capacity: 780Watts /1300 VA Nominal Output Voltage: 120V Efficiency at Full Load: 86% Output Frequency (sync to mains): 50/60 Hz +/- 3 Hz user adjustable +/- 0.1 Waveform Type: Stepped approximation to a sinewave Output Connections: (5) NEMA 5-15R (Battery Backup)/(5) NEMA 5-15R (Surge Protection) Bypass: Built-in Bypass Nominal Input Voltage: 120V Cord Length: 1.83meters Batteries & Runtime Battery Type: Maintenance-free sealed Lead-Acid battery with suspended electrolyte : leakproof Typical recharge time: 16hour(s) RBC Quantity: 1