APC Back-UPS ES 550VA, 0.55 kVA, 330 W, 310 J, 45 dB, Sealed Lead Acid (VRLA), 3.4 min
APC Back-UPS ES 550VA. Output power capacity: 0.55 kVA, Output power: 330 W, Surge energy rating: 310 J. Battery technology: Sealed Lead Acid (VRLA), Typical backup time at full load: 3.4 min, Typical backup time at half load: 14 min. Product color: Charcoal. Weight: 14.1 lbs (6.4 kg). Package weight: 15.2 lbs (6.9 kg)