inverter
n. countablen. a device that changes direct current (DC) electricity into alternating current (AC) electricity. You often see these in solar power systems or on boats to run normal appliances.
n. an electronic device that converts direct current (DC) to alternating current (AC). Commonly used in renewable energy systems to interface with the standard power grid or to power household appliances from a battery.
The solar panel uses an inverter to power the lights.
After the storm knocked out the power, the backup inverter provided enough electricity to keep the refrigerator running.
Modern photovoltaic systems require a high-efficiency inverter to ensure that the maximum amount of energy harvested from the sun is converted into usable alternating current for the home.
From invert + -er.