APC Smart-UPS XL Modular 3000VA 230V Rackmount/Tower (SUM3000RMXLI2U)- Capacity: 2.85kWatts / 3.0kVA, Input Voltage: 151 - 302 Adjustable, 160 - 286V, Output Voltage: Less than 5 % at full load, Input Frequency: 50/60 Hz +/- 5 Hz Auto-sensing, Output Frequency: 47 - 53 Hz For 50 Hz nominal Sync to mains, 57 - 63 Hz For 60 Hz nominal Sync to mains, Connectivity: DB-9 RS-232, RJ-45 10/100 Base-T, USB, Expected battery Life: 3-5 Years, Colour: Black