Tripp Lite Internet Office 120V 600VA 300W Standby UPS, Ultra-Compact Desktop, USB port - uninterruptible power supplies (UPSs) (Ultra-Compact Desktop, USB port, Standby (Offline), NEMA 5-15R, NEMA 5-15P, Tower, 0 - 40 °C, -15 - 50 °C)