Car Battery Keeps Dying But Tests Good

This is important because sometimes, and i emphasize 'sometimes', if this is not done the car's computer still thinks it is dealing with a faulty worn out battery and can cause problems. No battery will remain fully charged and healthy under the intermittent usage cycle you describe.

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Battery keeps dying, but tests out as a good battery.

Car battery keeps dying but tests good. This can be an interior light, radio, etc. The purpose of a car battery is to power the starter motor and to provide electricity to run accessories like lights and your radio when the engine is off. These are the expert tips following which you can prevent the battery from dying even if the alternator is good.

And takes a minute to crank over. Some cars develop what is called a parasitic discharge. Even if i just drove it across town and got out for 5 minutes and get back in it still takes a second as if the battery didn't charge while i was driving.

There was nothing left on that would drain it, and when i took it to the shop they were able to recharge it to full, and said the battery was good. It could be simply worn out. So the battery died in my 2005 cobalt.

I had similar problem with car battery dying when not used for three days. Test the alternator with the engine running using a voltmeter across the battery. Found out that the car radio is draining the battery even when not on.

Pull the fuse, or disconnect each of them and see if the problem goes away. My car battery keeps on dying?, if your car battery keeps on during when the car is parked the problem may not always be a bad battery. However, even though the alternator.

Make sure the alternator is grounded to the engine and the engine ground strap is intact and has clean grounds on both the engine and frame. In another case i also had a battery drain dead with a radio on within one day. That is the risk you take when you modify a car.

If it were me, i would pull the battery out and have it charged and tested wherever is convenient. If the battery tests bad, take the. Check for anything energized while the car is off.

It will be the same as if you left the light on. Sounds like you may have a short/drain of some sort. Now all of the sudden my battery seems drained every time i get in, it acts like its going to die but hasnt died on me for 4 months, for 4 months it just pretends like its dead.

Battery is getting a charge too. So, i keep having an issue with the battery. If the battery is draining while you’re driving, that is probably going to be the alternator or battery.

Make sure the battery has a good clean ground. Basically, the test measures voltage drop between the battery post and its terminal. You should read 13.5 to 14.7 volts.

This means one of the car systems is still using the battery even when the car is turned off. Simply put, if you can drive the car for a while (more than a 10 minutes) and the battery is completely charged when done, then the alternator is working fine. If the battery is discharged and the cable connections are good, you’ll want to fully charge the battery and start looking at the condition of the charging system.

You could also have the battery checked to see if it is fully charged and, if so, that may confirm this is the problem. This isn't just a subaru thing, either. If your ford edge’s battery is draining, it’s something that’ll need addressing right away.

The second cheapest component in the entire charging system next to the cables is the belt, so let’s look at that first. If it seems like your battery keeps dying while you’re actually driving your car, the root problem probably isn't the battery. Testing it off the car is best (if it's relativly easy to get off).

A few days ago i was detailing the front fenders. If your car battery keeps dying overnight or after your car has been parked for a while then you likely have a parasitic drain on your. Once i replaced the battery, everything was fine.

Car battery keeps dying but tests good / parasitic draw test / does your car battery keep dying. The best, quickest check i can tell you is to put a volt meter across the battery. Left the trunk lid open while i was at it.

They also tested the alternator. Any time i leave a door open, or the trunk lid, for more than 20 or 30 minutes, the battery dies. The radio was connected before the key i.e direct to the battery.

If the alternator is in bad shape, it’s common for the battery to dye more often due to undercharging. You can get perfectly good batteries at walmart for around $100 or so. Car keeps dying but the battery test good and the alternator is testing good as well.

I have had batteries test good, that were in fact bad. Especially if the alternator was bad so the battery was not getting charged for a while. Battery tender, battery minder, etc.) and use it overnight, once a month or so.

So if it seems like the battery is dying with the engine. My car battery keeps dying. Those auto parts stores battery tests are not very reliable.

If it is draining while your edge is off, it’s usually caused by something that is drawing current that shouldn’t be. Accolon 5 years ago #1. Although the car is in warranty, you have made modifications that may be the cause of your problem.

Once the engine is running, the charging system takes over.

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