Ultra-high efficiency ECO Series UPS System saves energy by automatically powering off unused computer accessories when the computer is not in use. UPS system uses less electricity than conventional models. Design includes four battery-supported outlets for computer, monitor and two vital system peripherals, plus four additional surge suppression-only outlets for accessories not requiring battery support. Three of the surge-only outlets are designated Eco outlets that can be configured to automatically power off when the computer enters standby mode or is shutdown. USB port enables UPS configuration options and unattended system shutdown without data loss in the case of extended power failure. UPS system meets RoHS standards. 550VA/300-watt power handling ability supports entry-level PC systems for up to 17 minutes during power fail conditions.