Mustek PowerMust 1000. Output power capacity (VA): 1000 VA, Output power: 600 W. Battery type: 7 A, Battery recharge time: 8 h, Typical backup time at full load: 23 min. Weight: 13.8 kg. Operating temperature range (T-T): 0 - 40 °C, Operating relative humidity range: 0 - 90 %. Interface: RS-232, Dimensions (WxDxH): 368 x 140 x 180 mm, Nominal output voltage: 115 - 240 V