How Cigarette Lighters Became 12V Accessory Sockets – Knowligent
How Cigarette Lighters Became 12V Accessory Sockets

How Cigarette Lighters Became 12V Accessory Sockets

HomeHow to, TechHow Cigarette Lighters Became 12V Accessory Sockets

The 12V power outlet, also known as a cigarette lighter or 12V auxiliary outlet, is the primary method by which power is supplied to portable electronics in cars, trucks, recreational vehicles, boats, and a handful of other contexts. While these outlets were originally designed to heat cigarette lighters, they quickly became popular as the de facto electrical outlet for cars.

Installing $10 12V Power Outlets in Your Car is Easy

Today, it is possible to power everything from a high-end phone or tablet to a tire compressor using the exact same connection that used to be used only as a cigarette lighter in a car.

Some vehicles are equipped with multiple power outlets to power multiple peripherals. However, it is rare that more than one outlet will fit on a cigarette lighter.

Accordingly, the specifications for these sockets, as set out in ANSI/SAE J563, include two variations: one that works with cigarette lighters and one that doesn’t. If you’ve ever tried to plug a cigarette lighter into a cigarette lighter socket and it immediately fell out, this is why.