APC Smart-UPS On-Line. UPS topology: Double-conversion (Online), Output power capacity: 20 kVA, Output power: 16000 W. AC outlet types: C19 coupler, Power plug: Terminal, AC outlets quantity: 8 AC outlet(s). Battery technology: Sealed Lead Acid (VRLA), Battery capacity: 3840 VAh, Typical backup time at full load: 4.9 min. Form factor: Rackmount/Tower, Product colour: Black, Rack capacity: 12U. Width: 432 mm, Depth: 773 mm, Height: 533 mm