Only use battery chargers as they are intended and make sure it’s a highly rated model.Ensure the power source won’t deliver more than what the fuse allows or it will blow.Ensure the power the charger needs can be supplied by that outlet.It depends on what car you have.īefore you get started, there are a few precautions to take. With that said, the newer power outlets may be set up to run without the ignition on. You wouldn’t want to turn the key off while you are trying to charge the battery. The socket will not function without the key turned on unless you make modifications.

Usually, the ignition must be turned on for power to run through it. How Do You Charge The Car Battery Through The Cigarette Lighter? It’s advisable to follow all of the safety parameters outlined in this guide above and beyond anything you read on the internet. To get more information on what your car is equipped for, read through the service manual. Some require the key to be turned on in order to receive power. Besides that, the outlets aren’t always live. However, these outlets have very thin wirings and fuses and therefore are not going to be useful for jump-starting a battery or performing any function that draws a lot of power. It’s possible to charge the car battery through the cigarette lighter, but it’s usually not recommended due to the thin wiring and the fact that these power outlets are sometimes not connected when the ignition is switched off.īut, whether you use the old cigarette lighter outlet or a new 12V DC power outlet, you can essentially trickle charge or maintain a battery with the right device connected to it. Conclusion Is It Possible To Charge The Car Battery Through The Cigarette Lighter?

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