For the replacement battery please see quick find 2983. The back ups cs offers best value for protecting your business and office computer systems. It provides battery backup power that allows you to work through short and medium length power outages. It also safeguards your equipment from damaging surges and spikes. Additional features like audible alarms,led status indicators,user replaceable battery,push button circuit breakers and transformer block spaced outlets make the back ups cs the perfect unit to protect your business' productivity from the constant threat of power outages and lost data. Data line surge protection protects connected loads from surges,spikes,lightning,and other power disturbances. Battery protected and surge only outlets reserves power capacity and 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 and power status with visual indicators. Audible alarms provides notification of changing utility power and 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 and approved to work safely with the connected service provider equipment and within the specified environment. Ul,fcc,ce,c tick approvals.