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 colour: Grey, Cable length: 1.83 m. Weight: 10.8 kg. Battery type: leakproof, Interface: DB-9/RS-232, Input connection type: NEMA 5-15P