PowerWalker VFI 1000 AT UK. UPS topology: Double-conversion (Online), Output power capacity: 1 kVA, Output power: 900 W. AC outlet types: Type G (BS 1363), Power plug: C14 coupler, AC outlets quantity: 2 AC outlet(s). Battery capacity: 9 Ah, Battery voltage: 12 V, Typical backup time at full load: 3.5 min. Form factor: Tower, Product colour: Black, Display type: LCD. Width: 140 mm, Depth: 327 mm, Height: 191 mm