Automatic voltage regulation (AVR): Also known as line-interactive topology, that is a far more Innovative type of energy administration that employs a small transformer as being a buffer to compensate for power dips and surges without the need of counting on the battery. Sizing – Larger sized and bulkier packages https://claytonhcwof.pointblog.net/ups-zircon-can-be-fun-for-anyone-77671723