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APCBack-UPS CS, 300 Watts / 500 VA,Input120V / Output120V, Interface Port USB. Includes: CD with software, Cord management straps, USB cable, User Manual.<ul style="margin-top:0px;padding-top: 5px; padding-bottom: 5px;"><li>Serial Connectivity - Use any Home Automation network to monitor and control the S20 through its RS-232 serial port. For information on how to communicate with the S20, see APC's Application Note #102. Crestron and AMX installers should visit their respective websites for information on how to integrate the S20 into those networks.</li><li>USB connectivity - Provides management of the UPS via a USB port (not available on all models).</li><li>Serial Connectivity - Provides management of the UPS via a serial port.</li><li>Lifetime data recovery warranty - Provides peace of mind by providing professional data recovery services in the event data is lost due to the failure of the unit.</li><li>Data line surge protection - Protects connected loads from surges, spikes, lightning, and other power disturbances.</li><li>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</li><li>LED status indicators - Quickly understand unit and power status with visual indicators.</li><li>Audible alarms - Provides notification of changing utility power and UPS conditions.</li><li>Transformer-block spaced outlets - Protect equipment with input transformer blocks without blocking access to other receptacles.</li><li>Automatic self-test - Periodic battery self-test ensures early detection of a battery that needs to be replaced.</li><li>Battery replacement without tools - Allows quick, easy battery replacement.</li><li>Cold-start capable - Provides temporary battery power when the utility power is out.</li><li>Hot-swappable batteries - Ensures clean, uninterrupted power to protected equipment while batteries are being replaced</li><li>Automatic restart of loads after UPS shutdown - Automatically starts up the connected equipment upon the return of utility power.</li><li>Resettable circuit breakers - Enables a quick recovery from overload events.</li><li>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.</li></ul>

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APC BK500BLK Back-UPS CS 500 Black