FSP Champ Tower 2K, Double-conversion (Online), 2 kVA, 1800 W, Sine, 120 V, 300 V FSP Champ Tower 2K. UPS topology: Double-conversion (Online), Output power capacity: 2 kVA, Output power: 1800 W. AC outlet types: C13 coupler, USB port type: USB Type-B, Serial interface type: RS-232. Battery capacity: 9 Ah, Battery voltage: 12 V, Typical backup time at full load: 3.5 min. Form factor: Tower, Product color: Black, Control type: Buttons. Cables included: Input power cable, USB cable