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.
Does car charger drain battery.
Many cars require that the keys be in the ignition and turned to the accessory position for the battery to.
Avoid car battery drainage.
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.
It does but very very very slowly.
If your alternator has a bad diode your battery can drain.
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.
And by the way here s how to tell which apps are draining your phone s battery.
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.
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.
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.
Most people use the cigarette lighter.
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.
Many car models use the alternator to charge radio clock lights and other small components.
A car alternator recharges the battery and powers certain electrical systems like lights radio air conditioning and automatic windows.
When a battery gets old and you are online with the screen on the battery will slowly lose charge becaus.
If the battery doesn t charge up properly you should have it diagnosed by a professional mechanic.
Just leaving your phone plugged into your car doesn t mean your battery will drain.
An unused phone charger can probably drain a car battery in a few years.
In a lot of car models that 12v jack doesn t stop getting power which.
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.
In that case a charging issue can make the draining worse.
It may drain the car battery even when you are driving.