Style: CP800AVRA compact UPS with line interactive topology, the AVR Series CP800AVR provides battery backup (using simulated sine wave output) and surge protection for desktop computers, workstations, networking devices, and home entertainment systems. The CP800AVR uses Automatic Voltage Regulation (AVR) to correct minor power fluctuations without switching to battery power, which extends battery life. AVR is essential in areas where power fluctuations occur frequently. The CP800AVR comes with a three year warranty (including coverage of batteries) and a $200, 000 Connected Equipment Guarantee.