APC BK500. Output power capacity: 0.5 kVA, Output power: 300 W, Surge energy rating: 480 J. Battery technology: Sealed Lead Acid (VRLA), Typical backup time at full load: 2.4 min, Typical backup time at half load: 13.9 min. Product colour: Beige, Cable length: 1.83 m. Certification: C-tick, CE, EN 50091-1, EN 50091-2, GOST, VDE. Weight: 6.27 kg

APC Back-UPS CS, 300 Watts / 500 VA,Input 120V / Output 120V, Interface Port DB-9 RS-232, USB.

Includes: CD with software, Cord management straps, USB cable, User Manual.