Protect computers, wireless routers, IOT devices, and security systems with the APC Back-UPS 850VA. APC Back-UPS provide backup battery power during power outages and continuously safeguard devices from fluctuating power conditions and surges. With 9 outlets and 2 USB charging ports, this desktop UPS (uninterruptible power supply) provides seamless battery power to connected electronics. The 450w capacity is ideal for workstations, keeping you connected and productive during power fluctuations. This battery backup is designed to power wireless home networking devices (router and modem) for hours during utility outages so you can stay connected and productive. Connect and charge mobile devices via the 2 USB port provides a maximum of 1.5A . The USB port will provide power when the UPS is both on utility and battery power. This computer backup offers lifetime guaranteed surge protection with a $75,000 equipment protection policy. The side of this 850VA UPS includes 2 keyhole sockets to easily mount the battery backup on a wall in hard to reach installations. The outlets are arranged with spaces to accommodate both average sized power plugs and transformer block power plugs. Use the included PowerChute software to configure settings and set up automatic graceful shutdown of a connected PC in the event of an extended power outage. Audible alarms provide notification of changing utility power and UPS conditions. Audible alarms can be muted. Package Contains Battery backup & surge protector, USB cable and user manual