All cigarette lighter sockets are also 12v sockets, which means that you should be able to plug in a cigarette lighter inverter, cell charger, or any other 12v DC accessory into any cigarette lighter ...
In the past, it was rarely used for anything other than powering the onboard cigarette lighter; today, it’s an indispensable source of power for countless electronics, including our smartphones.
If light bulbs don't screw into your old light fixture as smoothly as they used to the solution is a stick of lip balm away. If you only have new light fixtures, you may never have run into this ...