How long should I let my car idle to charge its battery?
Your car can sit parked for a month before the battery goes dead. The battery in cars with more power might well be dead in two weeks, like a BMW or a Mercedes where the components of the car need the power to survive. Having said that, it is highly possible for you to face a situation where you have kept the car idling to let the battery charge.
Do you have to disconnect your car battery when going on vacation?
Getting a trickle charger is actually much better than disconnecting your battery, though it isn’t the cheapest option. “If someone is going away for a few months over the winter, they should definitely disconnect the battery. It’s the only way to prevent battery drain,” Rashidi said.
What happens when you leave your car idling?
Leaving your car idling will waste not only gas but does not allow your battery to charge. Not allowing your battery to charge will drain its power during idling. During idling, your engine and alternator run slowly. The alternator will provide electricity to charge the battery.
Can a new car battery be left alone for weeks?
This is especially the case in newer, more advanced cars, said Fred Rashidi, a Ford service manager. “Some of these new cars have so many electronics and modules, the battery could get drained in a matter of weeks if left alone,” he said.
What happens to the battery when the car Idles?
When your car idles, the engine and alternator run slowly. The alternator provides enough electricity to charge the battery. If you use high-powered accessories, the idling alternator can’t keep up with electrical demand. The battery makes up the difference, draining it. When you start you car, all the energy comes from the battery.
Getting a trickle charger is actually much better than disconnecting your battery, though it isn’t the cheapest option. “If someone is going away for a few months over the winter, they should definitely disconnect the battery. It’s the only way to prevent battery drain,” Rashidi said.
How long can you leave a car battery in the car?
While four weeks to two months may be enough cushion to keep your battery working, it’s still best to err on the side of caution. If you intend to let your car sit for some time, better do it with the battery removed and stored in a place where you can control the environment and definitely out of the reach of children and pets.