AEG Protect B.1800 PRO. Output power capacity (VA): 1800 VA, Power supply input frequency: 50 - 60 Hz, Maximum current: 9.8 A. Battery recharge time: 6 h. Colour of product: Black, Silver. Bundled software: 5 network licenses. Operating temperature range (T-T): 0 - 40 °C, Storage temperature range (T-T): -20 - 50 °C, Operating relative humidity range: 0 - 90 %