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An Uninterruptible Power Supply (UPS) is an electrical device designed to provide emergency power in the event of a power outage, ensuring uninterrupted operation of electronics, computers, audio equipment, soundbars, and other devices. It functions as a backup battery system, storing energy during normal operating conditions and supplying it when needed. UPS systems safeguard against voltage fluctuations and power surges, offering reliable power protection for sensitive electronic components in various applications.