Riello Sentinel Dual. UPS topology: Double-conversion (Online), Output power capacity: 4 kVA, Output power: 3600 W. AC outlet types: IEC 320, AC outlets quantity: 3 AC outlet(s), USB port type: USB Type-A. Battery technology: Sealed Lead Acid (VRLA), Battery voltage: 96 V, Battery recharge time: 4 h. Form factor: Rackmount/Tower, Product colour: Black, Rack capacity: 3U. Width: 131 mm, Depth: 640 mm, Height: 448 mm