Capacity: 2000 VA / 2000 W (True 1.0 Unity Power Factor)Topology: True Online Double Conversion (Provides complete electrical isolation from utility issues)Output Waveform: Pure Sine WaveOutput Voltage: 208V / 220V / 230V / 240V AC (Selectable)Voltage Regulation: ±1%Transfer Time: Zero (0 ms) from AC to Battery mode