APC Back-UPS ES 400VA Desktop UPS

<li><p><b>The most popular desktop UPS in the world!</b><br> The Back-UPS ES 400VA offers our best value for protecting your home and home office computer systems</li><li> It provides battery backup power that allows you to work through short and medium length power outages</li><li> It also safeguards your equipment from damaging surges and spikes that travel along your utility and phone lines</li><li> Award-winning software automatically shuts down your computer system in the event of an extended power outage</li>