For the replacement battery see quick find 611143. Intuitive lcd interface provides clear and accurate information in multiple languages with the ability to configure the ups locally with easy to use navigation keys. High frequency design reduces or eliminates bulky transformers resulting in lighter units for ease of handling. Apc smart ups x 3000 rack tower lcd recognizes when external battery packs are attached and automatically adjusts runtime. Patent pending operating mode bypasses unused electrical components in good power conditions to achieve very high operating efficiency without sacrificing any protection. Boost and trim automatic voltage regulation avrgives higher application availability by correcting low and high voltage conditions without using the battery not available on all models. Intelligent battery managementmaximizes battery performance, life, and reliability through intelligent, precision charging. Power conditioningprotects connected loads from surges, spikes, lightning, and other power disturbances. Temperature compensated battery chargingprolongs battery life by regulating the charge voltage according to battery temperature. Automatic restart of loads after ups shutdownautomatically starts up the connected equipment upon the return of utility power. Automatic self testperiodic battery self test ensures early detection of a battery that needs to be replaced. Disconnected battery notificationwarns when a battery is not available to provide backup power.