UPS (battery/flywheel backup) refers to a source of uninterruptible power or simply a Uninterruptible Power Supply. It is an electrical device to supply power to a computer or another load when the mains electricity or the input power source goes …

A UPS is an Uninterruptible Power Supply. It is meant to be a backup for electric devices. It provides your appliances with power loads when it detects that the input power source has failed.

This device is different from …