Uninterruptible Power Supply (UPS)
An Uninterruptible Power Supply (UPS) is a device that provides emergency power to a connected load when the main power source fails. It offers near-instantaneous protection from power interruptions by supplying energy stored in batteries or flywheels. UPS systems protect hardware such as computers, data centers, telecommunication equipment, and other electrical equipment where an unexpected power disruption could cause data loss, serious business disruption, or damage to equipment.