Editor's Note: March 16, 2026: We've added a section answering some frequently asked questions related to purchasing a UPS backup at the end of this story, which we hope will help you figure out how ...

Uninterruptible power supply (UPS) systems are often installed to protect critical equipment and loads from power outages, and other voltage and current problems. Many UPS systems continuously ...

I have a small computer system that will be deployed in a public space and I'm trying to find a suitable small UPS for it. It only draws around 20W / 40VA at most, so something tiny should be fine.