How Long Does It Take To Charge A Car Battery While Idling
How Long Does It Take To Charge A Car Battery While Idling. It might take awhile, or not fully charge if you are running accessories while idling. What drains a car alternator?
We’ve reviewed how this happens, how your battery works, and other ways to charge your battery and make it last longer. You should idle your car for at least 30 minutes at a time to charge your car battery. While some individuals advocate that you leave your car running to charge the battery, this is not generally recommended.
Table of Contents
What Drains A Car Alternator?
Of course, this can be done if there are no damages to the battery and if the car battery can still hold a charge. As long as the mechanical action of the alternator is taking place; If you are interested in buying a car battery charger i’d recommend the battery tender 1.25 amp or 750 ma version (link to amazon.com).
Car Batteries Do Get Charged While The Engine Idles.
The only caveat is that it doesn’t really “charge” that fast. If your car is not being used for an extended period, you should repeat those idling sessions at least once every two weeks. Again, this is assuming that your car battery can hold a charge.
Assuming The Alternator, Engine, Belt, And Battery Are All In Working Order, Then Yes, A Car Battery Will Charge When Idling.
The answer is ‘yes’, yes the car battery does charge while the engine is idling. The speed of charging a car battery depends on the rpm on which it is running. On the other hand, if you are driving in the city, the charging of the battery may take 1 hour or even more to be fully charged.
You Just Found Out That Your Car Battery Charges While Idling.
If the car is being driven on a motorway with high rpm then it will only take 30 minutes to get the battery completely charged. You should idle your car for at least 30 minutes at a time to charge your car battery. Again, this is assuming that your car battery can hold a charge.
So The Alternator Can Probably Handle 80 Amps At Idling, And A Flat Battery May Be Charged To 80% In Around 2 Hours.
It’s difficult to estimate how long it will take to recharge a vehicle battery completely, but a multimeter may be used to measure the present charge. If the mechanical action of the alternator is taking place, it produces an ac, thus, charging the battery while the vehicle is idling. The belt will spin slower, rotating the shaft slower, and producing less electricity to recharge your battery.