Does Car Charger Drain Battery

If the battery doesn t charge up properly you should have it diagnosed by a professional mechanic.

Does car charger drain battery.

Most people use the cigarette lighter. A charger does not drain a battery any charge in a battery can be slowly lost when a charger is off and the is attached to a circuit. The 12v jack in a car once the cigarette lighter is a pretty common place for many of us to put a usb charger these days. The nature of charging your phone in your car poses a risk to your phone.

It may drain the car battery even when you are driving. Many car models use the alternator to charge radio clock lights and other small components. Even when it is not charging anything leaving the phone charger plugged in may drain the car battery and may deplete its power if the engine is not running which could leave. Many cars require that the keys be in the ignition and turned to the accessory position for the battery to.

If the car is turned off just as with the lights inside the car the cell phone charger is drawing power from the car s battery. It does but very very very slowly. And by the way here s how to tell which apps are draining your phone s battery. If your alternator has a bad diode your battery can drain.

In a lot of car models that 12v jack doesn t stop getting power which. The bad alternator diode can cause the circuit to charge even when the engine is shut off and you end up in the morning with a car that won t start. For all intents and purposes it can be ignored. Since there are many types of cell phone car chargers here are some tips and warnings that you should be aware of whenever you use a car charger.

Leaving the charger plugged in when not charging a cell phone may also drain the battery s power but this will be a slower drain on the battery than if charging a phone. An unused phone charger can probably drain a car battery in a few years. Just leaving your phone plugged into your car doesn t mean your battery will drain. To prevent your car phone charger from draining your car battery you should unplug your charger from the power source when it is not in use.

Of course that s assuming you have a hypothetical car battery with no self discharge all real life batteries lose charge over time even if nothing is connected. In that case a charging issue can make the draining worse.