What is a UPS

UPS stands for Uninterruptible Power Supply

A UPS provides constant electrical power to a given load for a specific period of time protecting against some of or all of the following power problems

> Power failure / loss
> Power Sags & Brownouts
> Power Surges & Spikes
> Line Noise
> Frequency Variation
> Switching Transients
> Harmonic Distortion

It does this by Supplying alternate power in the event of a power failure and by filtering and regulating mains power to remove any impurities