Kraun Compact 550VA. Output power capacity (VA): 550 VA, Output power: 300 W, Input operation voltage (max): 230 V. Battery recharge time: 8 h, Typical backup time at half load: 9.2 min, Typical backup time at full load: 1.7 min. Colour of product: Black. Nominal output voltage: 230 V, Nominal input voltage: 230 V