Elsist UPServer 4.0. UPS topology: Double-conversion (Online), Output power capacity: 4 kVA, Output power: 2000 W. AC outlet types: C13 coupler, AC outlets quantity: 3 AC outlet(s). Battery capacity: 9 Ah, Battery voltage: 12 V, Number of batteries included: 4 pc(s). Form factor: Rackmount/Tower, Product colour: Black, Rack capacity: 2U. Compliance certificates: CE, Certification: IEC/EN62040-1, IEC/EN62040-2, IEC/EN62040-3, IEC/EN60950-1