Eaton Evolution 650. Output power capacity (VA): 650 VA, Output power: 420 W, Power supply input frequency: 50/60 Hz. Battery technology: Sealed Lead Acid (VRLA), Typical backup time at half load: 9 min, Typical backup time at full load: 2 min. Colour of product: Grey. Operating temperature range (T-T): 0 - 35 °C. Certification: CE, CB report, TÜV, UL/cUL