how long does it take to charge a car battery while idling

As a general rule of thumb you should idle your car for at least 30 minutes to charge the battery back to full capacity. Car Care Portal Best Car Care and Accessories.

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How long should I idle my car to charge the battery.

. You will need several hours to recharge your car battery completely. The alternator is not running when a car is idling so it is not charging the battery. Whether Im sitting at 100 kmh 60 mph or idling is irrelevant because the battery needs to.

Lastly you may have heard that idling your car for 15-20 minutes is a good alternative method to recharge your battery. Letting your car idle can do. The good news is that yes your car battery will charge when idling.

A car will charge the battery faster less than 30. That will give most batteries enough time to charge to full even. Fortunately the answer here is yes.

The alternator will provide electricity which will charge the battery. While idling older vehicles for 15-20 minutes may. This is an excellent question because some people hate to let their car idle.

Your car battery will be charged by your alternator which will provide electricity to charge the battery. If a car is idling for a long period of time the battery will slowly lose charge. Idling your automobile for 15-20 minutes can provide enough charge.

How Long Do You Need To Idle A Car To Charge The Battery. You can idle a car for 100200 hours or more before you need to turn the engine off to change the oil. Charging a car battery fully with a 12 volt charger will take around 12 to 24 hours depending on the situation.

Dropping below a 50 charge will shorten the lifespan of the battery. If you have a standard lead-acid battery you should idling for at least 30 minutes to charge it. My current car has a 180 amp alternator fitted into itto fully charge the battery up from about 50 charged the car needs to be driven for 4050 kilometres or 12 an hour to fully charge the battery to 126 volts.

If you want the battery to be recharged fast you may rev the engine. You can charge a flat battery to 80 percent full in about 2 hours so long as you alternator can manage. I had a foreign car built in 1980 that would not charge the battery at idle if the lights and defroster fan were running.

Your cars battery will continue to charge when the car is idling. Since the battery sometimes gets hot during recharging so you. While idling older vehicles for 15-20 minutes may provide enough charge to allow.

At idle a car battery can be functionally recharged in 75 minutes when at 50 capacity or about 25 hours when fully discharged. In fact the battery would discharge under those. A brief drive or idling for 10 to 15 minutes once a fortnight may be enough to maintain the battery charged in any of these.

How long you should charge your battery while idling depends on the type of battery and the condition of the battery. Idling a car does not hurt the engine. Its possible youve heard that idling your car for 15-20 minutes is a smart way to recharge your battery.

While some individuals advocate that you leave your car running to charge the battery this is not generally recommended. Basically at idle you can probably get 80 amps out of your alternator. Charging your car battery with a 2 amp car battery charger will take a.

Answer 1 of 8. At idling the alternator will take between 15-30 minutes to fully recharge the battery.

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