Artes Art850VA. Output power capacity (VA): 850 VA, Input operation voltage (min): 220 V, Input operation voltage (max): 240 V. Battery type: 12 V, 7 Ah, Battery recharge time: 8 h, Typical backup time at half load: 9 min. Colour of product: Black, Silver. Certification: IEEE 587, CUL, TUV, CE, FCC.. LED indicators: Power, Power fail