For the Replacement Battery please see Quick Find 2983. The Back-UPS CS offers best value for protecting your business & office computer systems. It provides battery backup power that means that you can work through short & medium length power outages. It also safeguards your equipment from damaging surges & spikes. Additional features like audible alarms, LED status indicators, user replaceable battery, push-button circuit breakers & transformer-block spaced outlets make the Back-UPS CS the perfect unit to protect your business productivity from the constant threat of power outages & lost data. Data line surge protection Protects connected loads from surges, spikes, lightning, and other power disturbances. Battery-protected & surge-only outlets Reserves power capacity & run time for connected equipment that require battery back-up while providing surge only protection for less critical equipment. LED status indicators Quickly understand unit & power status with visual indicators. Audible alarms Provides notification of changing utility power & UPS conditions. Transformer-block spaced outlets Protect equipment with input transformer blocks without blocking access to other receptacles. Automatic self-test Periodic battery self-test ensures early detection of a battery that needs to be replaced. Battery replacement without tools Allows quick, easy battery replacement. Cold-start capable Provides temporary battery power when the utility power is out. Hot-swappable batteries Ensures clean, uninterrupted power to protected equipment while batteries are being replaced. Automatic restart of loads after UPS shutdown Automatically starts up the connected equipment upon the return of utility power. Resettable circuit breakers Enables a quick recovery from overload events. Safety-agency approved Ensures the product has been tested & approved to work safely with the connected service provider equipment & within the specified environment. UL, FCC, CE, C-Tick approvals.