Can you recharge your car battery by idling Your car battery is dead and you’re planning on recharging it by letting your engine idle. How long do you have to idle your engine to recharge the battery? Let’s look into that. You can recharge your car battery by idling, but it takes a LOT longer than you think Some people idle their engines for 20 minutes and think that’s long enough to recharge a battery. Then they wonder why it won’t start the next day. Why? Because it takes almost … Read More
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