APC BR700G uninterruptible power supply (UPS) 0.7 kVA 420 W

Power-saving outlets - Automatically cuts power to idle equipment to conserve electricity. Disconnected battery notification - Warns when a battery is not available to provide backup power. Boost and Trim Automatic Voltage Regulation (AVR) - Gives higher application availability by correcting low and high voltage conditions without using the battery. LCD graphics display - Text and mimic diagrams that display modes of operation, system parameters and alarms.