
Uninterruptible power supply - Wikipedia
An uninterruptible power supply (UPS) or uninterruptible power source is an electrical apparatus that provides emergency power to a load when the input power source or mains power fails.
What Is UPS? - Computer Hope
Sep 7, 2025 · Short for Uninterruptible Power Supply, UPS is a hardware device that provides a backup power source in case of a power outage (blackout), brownout, or surge in power.
What is Uninterruptible Power Supply UPS?
Apr 7, 2025 · A UPS ensures a continuous power supply by instantly switching to battery power when it detects an outage, voltage drop, or fluctuation. Unlike standby generators, which take …
What is an uninterruptible power supply (UPS)? - TechTarget
Jul 22, 2024 · What is an uninterruptible power supply (UPS)? An uninterruptible power supply (UPS) is a device that allows a computer to keep running for at least a short time when …
What Is a UPS and How Does It Work? - TechBloat
Jan 10, 2025 · A UPS (Uninterruptible Power Supply) is a device that provides emergency power to a load when the main power source fails. Beyond merely functioning as a battery backup, it …
What's An Uninterruptible Power Supply (UPS) & What Is It Used …
Jun 28, 2025 · A UPS, or uninterruptible power supply, is designed to protect computers and other electronic devices from losing power during a power outage or fluctuation.
UPS Definition & Meaning - Merriam-Webster
Dec 23, 2025 · What does the abbreviation UPS stand for? Meaning: uninterruptible power supply.
What Is a UPS? How an Uninterruptible Power Supply Works
Apr 2, 2024 · A UPS, or an uninterruptible power supply system, is an electrical device designed to provide emergency power to a load when the input power source fails. Not to be confused …
Definition of UPS | PCMag
Small UPS systems provide power for a few minutes; enough to power down the computer in an orderly manner, while larger systems have enough battery for several hours. In mission critical...
Uninterruptible Power Supply (UPS) - Definition - IT-Planet
UPS stands for “uninterruptible power supply” and is an important device that stabilizes the electrical power supply of electronic devices and systems and protects them from faults in the …