Power Inverter Installation

What is a Power Inverter, and How Does It Work?

What does a power inverter do, and what can I use one for?

500W Car Power Inverter DC 12V to 110V AC Car Charger Converter with Dual AC Charging Port & 2A USB Ports, Car Adapter for Road Trip and Camping(Balck)

BESTEK 300Watt Pure Sine Wave Power Inverter Car Adapter DC 12V to AC 110V with 4.2A Dual Smart USB Ports

Inverter 1000W Car Power Inverters,12v DC to 110v AC Converter with Dual AC Outlets 3.0A USB and Type-C,12 Volt Inverter Car Cigarette Lighter Battery Inverter, Power Inverter 1000Watts