APC SUA750RMJ1UB uninterruptible power supply (UPS) 0.75 kVA 480 W

Boost and Trim Automatic Voltage Regulation (AVR) Gives higher application availability by correcting low and high voltage conditions without using the battery. Intelligent battery management Maximizes battery performance, life, and reliability through intelligent, precision charging. Power conditioning Protects connected loads from surges, spikes, lightning, and other power disturbances. Temperature-compensated battery charging Prolongs battery life by regulating the charge voltage according to battery temperature. Automatic restart of loads after UPS shutdown Automatically starts up the connected equipment upon the return of utility power. Automatic self-test Periodic battery self-test ensures early detection of a battery that needs to be replaced. Cold-start capable Provides temporary battery power when the utility power is out. Disconnected battery notification Warns when a battery is not available to provide backup power.