CyberPower Intelligent LCD 1000VA/600W UPS for $104.95 shipped.  Here is a screenshot for your reference.  This uninterruptible power supply has voltage regulation, USB connectivity, and Ethernet, coax and dataline protection as well as many advanced functions, such as automatic PC shutdown and LCD status readout.  Note at the time of this writing, 47 out of 50 reviews have given it 4/5 or 5/5 ratings.  It usually goes for about $129.