hardware system

UPS that normally supplies utility power until an outage occurs.

Uninterruptible power supply.

Device protecting equipment from voltage surges.

External power-supply enclosure used with electronic devices.

Magnetic power connector used on certain Apple computers.

Socket receiving a DC barrel power connector.

Cylindrical DC power connector.

Power adapter designed to charge a laptop.

External device converting AC power to DC power.

Higher-current appliance inlet.