CyberPower AVR Series UPS 685VA UPS $67.95
- 685VA/390W Simulated Sine Wave Line Interactive UPS system
- Automatic Voltage Regulation corrects brownouts and overvoltage's without switching to battery
- GreenPower UPS Bypass Technology -ENERGY STAR Qualified
- 8 outlets (4 battery/surge, 4 surge only) plus Telephone, Ethernet and Coaxial data line surge protection
- USB and Serial Management Port - Includes PowerPanel Management Software
This is the cheapest I could find that included AVR which I believe is worth the few dollars more than some of the other deals floating around.