FSP EP450, 0.45 kVA, 240 W, 81 V, 290 V, 50/60 Hz, 110 V FSP EP450. Output power capacity: 0.45 kVA, Output power: 240 W, Input operation voltage (min): 81 V. AC outlets quantity: 4 AC outlet(s). Battery capacity: 4.5 Ah, Battery voltage: 12 V, Typical backup time at half load: 5 min. Form factor: Tower, Product colour: Black. Width: 110 mm, Depth: 294 mm, Height: 145 mm