how long does it take to charge a car battery while idling
Since the battery sometimes gets hot during recharging so you. How Long Do You Need To Idle A Car To Charge The Battery.
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Basically at idle you can probably get 80 amps out of your alternator.

. In fact the battery would discharge under those. If a car is idling for a long period of time the battery will slowly lose charge. The alternator will provide electricity which will charge the battery.
While idling older vehicles for 15-20 minutes may. Its possible youve heard that idling your car for 15-20 minutes is a smart way to recharge your battery. Charging a car battery fully with a 12 volt charger will take around 12 to 24 hours depending on the situation.
While idling older vehicles for 15-20 minutes may provide enough charge to allow. Your car battery will be charged by your alternator which will provide electricity to charge the battery. That will give most batteries enough time to charge to full even.
I had a foreign car built in 1980 that would not charge the battery at idle if the lights and defroster fan were running. Answer 1 of 2. At idling the alternator will take between 15-30 minutes to fully recharge the battery.
As a general rule of thumb you should idle your car for at least 30 minutes to charge the battery back to full capacity. How long you should charge your battery while idling depends on the type of battery and the condition of the battery. 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.
You can charge a flat battery to 80 percent full in about 2 hours so long as you alternator can manage. If you want the battery to be recharged fast you may rev the engine. Answer 1 of 8.
How long should I idle my car to charge the battery. Car Care Portal Best Car Care and Accessories. Fortunately the answer here is yes.
Idling your automobile for 15-20 minutes can provide enough charge. Letting your car idle can do. Your cars battery will continue to charge when the car is idling.
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. The good news is that yes your car battery will charge when idling. Whether Im sitting at 100 kmh 60 mph or idling is irrelevant because the battery needs to.
You will need several hours to recharge your car battery completely. While some individuals advocate that you leave your car running to charge the battery this is not generally recommended. This is an excellent question because some people hate to let their car idle.
It all depends upon what you mean by charge the batteryIve had a 90 amp alternator charge the battery from dead flat in one of my cars after I left the parking lamps on. If you have a standard lead-acid battery you should. The alternator is not running when a car is idling so it is not charging the battery.
Lastly you may have heard that idling your car for 15-20 minutes is a good alternative method to recharge your battery.
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