Posts Tagged: How many amps does a car need to keep it running?

Can you charge your car battery by idling?

It takes much longer than you think to charge your car battery by idling So you’ve jump started your car and if you can recharge the battery by idling or driving around the block a few times. I’ve got news for you; it won’t work. It can take up to 4 hours to charge your car battery by idling. Here’s why it takes so long; there’s simply not enough extra power from the alternator to run all the electrical systems and still have enough left over for your battery. It … Read More