Tripp Lite SmartPro UPS, Lithium Battery Backup - 120V 3kVA Line Interactive, 2U, Sine Wave, LCD, Energy Star - UPS (rack-mountable) - AC 120 V - 2250 Watt - 3000 VA - 1-phase lithium - RS-232, USB - output connectors: 9 - 2U - 19"