Capacity: 1KVA (1000VA) Input Voltage Range: 165V – 275V. Output Voltage: 230V AC ± 10% Output Frequency: 50Hz ± 0.2Hz. Waveform: Simulated Sine Wave. Battery Type: Sealed Lead-Acid. Battery Backup Time: Varies depending on load. Recharge Time: 4-6 hours to 90% capacity.