What s more likely says duffy is that charging your tablet or laptop would drain your car battery first since they have higher capacity batteries and would draw a higher percentage of your car.
Does laptop car charger drain battery.
You have to start charging the battery after you are done using the laptop.
Most laptops require around 19 1 volts 2 to 4 a one of the possibilty is getting a portable 12v dc to 110v 220v ac sufficient current rating co.
Batteries have evolved to where you no longer have to use up all the power in your battery to get it charged up without losing power.
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Single car battery is rated at 12volts around 44ah 2.
Not easily but somehow possible.
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 you stranded or make for an.
Do not short the battery to drain it.
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.
When the car is off this power comes from the battery only.
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.
The outlet a car charger is plugged into draws its power from the battery.
You do not have to wait until after your laptop battery has been fully drained to charge it.
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.
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