HP R1.5 VA 1U Uninterruptible Power System. Serial ports quantity: Standard DB-9 port (ships with communication cable) USB port (ships with communication cable). Battery type: Maintenance-free, sealed, valve-regulated lead acid (VRLA). LED indicators: LED display integrated into the front panel. Weight: 27.2 kg, Package weight: 34.5 kg. Dimensions (WxDxH): 48.51 x 43.18 x 4.44 cm, Package dimensions (WxDxH): 812.8 x 679.5 x 292.1 mm, Electrical output connections: (4) IEC 320-C13