What is ups meaning?

UPS stands for "Uninterruptible Power Supply". It is a battery backup system that provides emergency power to devices in the event of a power outage or disruption. UPS units are commonly used to protect computers, servers, and other critical electronic equipment from damage caused by power fluctuations, surges, and blackouts. They also provide time for shut down procedures during an extended power outage. UPS systems come in various sizes and configurations, ranging from small units designed for home use to large-scale systems used in data centers and other commercial applications.