Mustek PowerMust 1500 Netguard RM. Output power capacity (VA): 1500 VA, Output power: 1050 W. Battery recharge time: 3 h, Typical backup time at half load: 18 min. Colour of product: Black. Weight: 18400 g. Operating temperature range (T-T): 0 - 40 °C, Operating relative humidity range: 0 - 90 %