hardware system

Battery providing backup energy in a UPS.

UPS normally passing utility power until an outage occurs.

UPS continuously supplying power through its inverter.

UPS that regulates voltage and provides battery backup.

Uninterruptible Power Supply.

Electrical power supplied while a system is nominally off.

Power standard supplying processor power.

Additional power supplied to PCIe expansion cards.

Power connection used by SATA storage devices.

Small legacy power connector used for floppy drives.