APC UPS Battery Backup & Surge Protector, 550VA, APC Back-UPS (BE550G) 550VA / 330W Backup Battery Uninterruptible Power Supply (UPS) 8 Outlets: 4 Battery Back up & Surge Protector, plus 4 Surge Protector Only Ethernet Dataline surge protection (RJ45 10/100 ports) for connected equipment 5' Power Cord, right-angle 3-prong wall plug, plus FREE power-management software Batterly Life: 3-5 years. UPS replacement battery sold separately (part # APCRBC110) APC WARRANTY: Backed by APC's 3-YEAR WARRANTY plus a $75,000 connected-equipment policy