A Comprehensive Guide to Uninterruptible Power Suuplies
![](https://cdn.pixabay.com/photo/2016/07/08/06/06/phone-1503727__340.png)
What’s a UPS?
The key role played by a UPS power supply is that of a secondary source of power, which is essentially an instant-switch, on-demand battery backup for computers along with other memory-based technologies.
PCs are full of valuable …