PSS M Series 2KVA True Online UPS- Rack Mount Or Tower Conversion Design, Single Phase With Ground, Input and Output Voltage 230V, Power Factor: 0.9, Capacity: 2KVA, 1800W, Voltage Range: 200-290VAC At Full Load, Frequency Range: 40-70Hz, Economic Operation Mode, Hot-Swappable Battery Pack, Full LCD Digital Display Control (DSP), 4 x 12V 9Ah Lead Acid Batteries , Rated Battery Voltage 48VDC , Colour Black, Retail Box , 12 Months Warranty