APC Smart-UPS SC 450VA, 0.45 kVA, 280 W, 60 Hz, 400 J, 38 dB, 5.9 min APC Smart-UPS SC 450VA. Output power capacity: 0.45 kVA, Output power: 280 W, Input frequency: 60 Hz. Typical backup time at full load: 5.9 min, Typical backup time at half load: 19.4 min, Battery recharge time: 5 h. Product color: Gray, Cable length: 72" (1.83 m). Weight: 23.8 lbs (10.8 kg). Battery type: leakproof, Interface: DB-9/RS-232, Input connection type: NEMA 5-15P