APC Smart-UPS 5000VA RM 5U 230V Black, 5 kVA, 3750 W, 480 J, 5.7 min, 19.2 min, (2) RBC12 APC Smart-UPS 5000VA RM 5U 230V Black. Output power capacity: 5 kVA, Output power: 3750 W, Surge energy rating: 480 J. Typical backup time at full load: 5.7 min, Typical backup time at half load: 19.2 min, Replacement battery cartridge: (2) RBC12. Product color: Black. Bundled software: PowerChute Smart-UPS Bundle. Battery type: Maintenance-free sealed Lead-Acid battery with suspended electrolyte: leakproof, Interface: DB-9 RS-232, RJ-45 10/100 Base-T, SmartSlot, Output connections: (8)IEC 320 C13 (6)IEC Jumpers (2)IEC 320 C19