. The APC Back-UPS Pro models provide premium battery backup & surge protection. Ideal for home or small office electronics networking devices gaming PCs & consoles. APC Back-UPS Pro models provide sinewave output USB (Universal Serial Bus) charging ports for your mobile devices & increased runtime for your critical electronics Key Product Info. Audible alarms Building wiring fault indicator EMI & RFI noise filtering Product Features Audible alarms Provides notification of changing utility power & UPS power conditions Automatic self-test Periodic battery self-test ensures early detection of a battery that needs to be replaced. Battery failure notification Provides early-warning fault analysis on batteries enabling timely preventive maintenance Battery replacement without tools Enables fast battery replacement lowering Mean Time to Repair (MTTR). Battery-protected & surge-only outlets Reserves power capacity & run time for connected equipment that require UPS battery back-up while providing surge only protection for less critical equipment Boost & Trim Automatic Voltage Regulation (AVR) Gives higher application availability by correcting low & high voltage conditions without using the battery (not available on all models). Cold-start capable Provides temporary battery power when the utility power is out. Dataline surge protection Provides protection of connected equipment from power surges on the data lines. Disconnected battery notification Warns when a battery is not available to provide backup power. Hot-swappable batteries Ensures clean uninterrupted power to protected equipment while batteries are being replaced LCD graphics display Text & mimic diagrams that display modes of operation system parameters & alarms. Safety-agency approved The UPS is UL1778 Listed USB (Universal Serial Bus) connectivity Provides management of the UPS via a USB (Universal Serial Bus) port (not available on all models). User-replaceable batteries Increases availability by allowing a trained user to perform upgrades & replacements of the batteries reducing Mean Time to Repair (MTTR) What's in the box?. USB (Universal Serial Bus) cable User Manual