An uninterruptible power supply, also known as an uninterruptible power source, UPS or battery backup, is a device that provides power to a computer system or other electronic device when the main power source is unavailable. The UPS connects to the wall outlet and the device to be powered and provides a battery backup to bridge the gap when the power goes out.
What’s the meaning of UPS?
UPS stands for “uninterruptible power supply.” A UPS is a device that provides power to a computer system or other electronic device in the event of a power outage or other emergency. …