Automated voltage regulation (AVR): Also called line-interactive topology, this is a much more Sophisticated method of electricity management that takes advantage of a small transformer for a buffer to compensate for power dips and surges with no relying on the battery. Where Do I want UPS Models in My House? https://kameronooibr.thekatyblog.com/32692945/ups-zircon-can-be-fun-for-anyone