Automatic voltage regulation (AVR): Also known as line-interactive topology, that is a additional Highly developed sort of electric power management that uses a little transformer as being a buffer to compensate for electrical power dips and surges with no depending on the battery. CyberPower’s CP900AVR has a fairly easy-to-use interface https://byddolphin36813.livebloggs.com/40301127/top-latest-five-ups-can-t-turn-on-urban-news