APC Back-UPS ES 8 Outlet 550VA 120V for $63.36

The Back-UPS ES offers serious value for protecting your home and home office computer systems. Completely redesigned to use less power during normal operation, the Back-UPS ES provides enough backup power for you to work through short- and medium-length power outages. It also safeguards your equipment from damaging surges and spikes that travel along your utility and data lines.