Mustek PowerMust 800 USB. Output power capacity (VA): 800 VA, Output power: 480 W. Battery recharge time: 4 h, Typical backup time at full load: 8 min. Colour of product: Black. Weight: 6.5 kg. Operating temperature range (T-T): 0 - 40 °C, Operating relative humidity range: 0 - 90 %