why does my car battery keep dying when i don't drive it

Well perhaps you have a parasitic draw. When that happens your car may just shut off or the engine may sound like its suddenly running poorly.

Why Does My Car Battery Discharge Overnight Or When Parked Axleaddict

To prevent this keep a trickle charger connected to the battery when it is not in use.

. Check under your hood. Or your headlights or radio. When your car battery dies it can mean one of two things Either your vehicle is in need of a jump start or you have a problem with your cars alternator.

Car batteries are designed to be charged by the alternator as they move along so if its sat on your driveway for an extended period of time the electrical systems such as the alarm will drain the charge. Whats much more common is for the connectors to be loose. Forgetting to turn off your headlights.

The battery terminals are the points of contact on the top of your battery one is marked with a positive the other a negative. The average lifespan of a car battery is only four to six years so if youre in that range or over its probably time for a new battery. Your vehicle has a faulty component such as the alternator.

It turns out that car batteries eventually experience battery sulfation a build-up of lead sulfate crystals. Battery acid is corrosive. If you run your vehicle properly and on a regular basis keeping your car battery charged isnt something you have to think much about.

As we mentioned before sometimes vehicles can have significant key-off loads that will discharge a battery over time. One of the major culprits is its simply an old battery. What to do if your battery keeps dying.

Your car battery dies for one of three general reasons. The temperature need only creep above 100F or run below 10F to result in very bad news for your car. There are several reasons which cause parasitic battery drain.

Also make sure the battery connectors are nice and tight and have not come loose. In this video Ill show you how to find the problem and then well talk about how to fix it. There are few common causes of regularly dead batteries.

Your battery could be near the end of its service life and it should be recycled and replaced with a new one. Oops I did it again The most common cause of battery drain is human error ie. Your car battery will eventually die if you dont drive it regularly.

You can assume this as getting a hefty electricity bill in the winter. All Batteries Feature a Limited Lifetime Warranty. But over time that changes.

If you start the car and then only drive it about five miles or less then you are not recharging the battery sufficiently. If you do not drive your vehicle very often and when you do it is only a short drive then yes the mechanic was correct. And leaving your car in.

Which could be why your car battery may keep dying overnight. Loose battery connection. A parasitic draw i.

The battery will last a about a week before needing to be recharged with enough power to start the car. A parasitic draw is a short in the system which can drain your battery over time without you knowing why. A car battery dies when you are not using the car because it is not being charged by the alternator.

Luckily most of them can be fixed by simply replacing it. If your car battery keeps dying while driving then this is likely a problem with your alternator. A parasitic battery drain is when the battery is getting discharged even after switching off the engine.

But as long as you dont do it yourself thats pretty rare. However on some older vehicles they will still let devices draw power from the battery even while the car is off. Have you ever said my battery keeps dying but I know the battery and the alternator are good.

However if this isnt the case theres some other mischief going on. This article will explain why does my car battery keep dying. Dirty and grimy battery terminals may be preventing your battery from transferring power to the vehicle.

Fortunately shopping for a car battery isnt a hassle with expert advice from Advance Auto Parts Team Members. That might sound obvious but one of the other reasons why car batteries repeatedly die is due to corrosion at the connections. We typically suggest anything above 100 milliamps 100 Amps should be addressed but it really comes down to how a vehicle is.

AutoZone Has You Covered at Americas 1 Battery Destination. Ad Need a New Battery. Car battery keeps dying when not in use.

Make sure your battery terminals are kept clean and free of debris. If you dont know what your key-off load is you can measure it relatively-easily with a multimeter as explained in this video. Well perhaps you have a parasitic draw.

For example a simple short circuit is. If that happens to you dont panic. A weak or dead battery cant provide the power needed to get the engine started.

If the battery test shows that it is still good then its time to start looking at a parasitic power draw. This video brought to you by Pull-A-Part. Why car batteries die.

Problems with your car battery. If your battery is disconnected your car definitely wont start. While driving on the highway your car battery may suddenly stop working.

5 Reasons Your Car Battery Keeps Dying Service At Mike Shaw Subaru