Automated voltage regulation (AVR): Also called line-interactive topology, this is a much more Innovative sort of power management that utilizes a small transformer to be a buffer to compensate for electric power dips and surges without the need of counting on the battery. Greenback for greenback, we could't recommend CyberPower https://proud-pira-group48269.newbigblog.com/40082169/ups-zircon-can-be-fun-for-anyone