APC Smart-UPS X 2700 Watts/3000 VA Rack/Tower LCD 200-240V

For the replacement battery please see Quick Find 611143. Boost and Trim Automatic Voltage Regulation (AVR)Gives 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.

Price: £2166.99 from Ebuyer