APC Smart UPS SC 420VA 120V, 0.42 kVA, 260 W, 320 J, Sealed Lead Acid (VRLA), 5.5 min, 13.5 min APC Smart UPS SC 420VA 120V. Output power capacity: 0.42 kVA, Output power: 260 W, Surge energy rating: 320 J. Battery technology: Sealed Lead Acid (VRLA), Typical backup time at full load: 5.5 min, Typical backup time at half load: 13.5 min. Weight: 9.09 kg. Output connections: - (1) IEC 320 C13 - (3) IEC 320 C13, Input connection type: IEC-320 C14, Dimensions (WxDxH): 119 x 368 x 168 mm