The Tiger 6KVA Online UPS offers 4200W power output capacity. The voltage input range is 115±5VAC - 295±5VAC, when the load is less than 70% and 160±5VAC - 295±55VAC, when it's above 70%. Similarly, the frequency range is 46 - 54Hz±0.5Hz or 56 - 64Hz±0.5Hz auto sensing.