What causes a car battery to die?

A battery is the soul of a car. If the battery is in perfect shape then your car is going to give you the best result. But what happens when your car battery dies, of course, the car won’t be able to start again. There is a number of reasons which cause the battery to die, some are obvious reasons while others are mere mistakes of the car owner or just negligence.

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Let’s look at the most common reasons for car batteries to die:

1. Leaving the lights on:- Nowadays most cars and trucks or any vehicle come with an automatic light shutoff system but still this remains the most common cause of the batteries dying prematurely.

2. Using accessories:- If one is using many accessories like radio and other information devices while your car is on but the engine is not running it could cause your batteries to die sooner. And using batteries power to use such accessories can cause problems while starting the car.

3.Faulty relay switch:- A relay is designed to complete the circuit, allowing the passage of electricity. But if there is some fault in your relay switch and it’s stuck in the on position, it will cause the electricity to flow continuously, which will further kill the batteries and the batteries will die sooner and it will also damage the part that is stuck with the relay.

4.Leaving the door open:- This is considered as the most common mistakes done by people. If the gate of the car is left ajar, it will result in interior lights or lights of dashboard left on. If these lights are left off for an extended amount of time, such as overnight, chances are really high that your battery won’t have any power and your car won’t get started.

5. Extremely hot or cold temperature:- While these conditions won’t affect a new battery but yes such conditions have really adverse effects on the old batteries and that results in batteries getting killed sooner. These conditions also magnify other underlying conditions.

6.End of battery's life cycle:- Any battery, no matter of which brand of they is, won’t last forever. In general, a car battery has a life span of 5 or so years, so be sure if your battery is causing some problem to you, then might be there are chances that your car battery needs a change.

While apart from everything discussed above, one should always have regular battery check-ups, so that you never get stranded in the middle of your journey. One should have some basic tools to check their batteries by themselves so that you are pre-informed about the condition of your batteries on your own. That will help you in keeping the track of the health and condition of your battery and that way you will have little chance to face sudden problem occurring due to battery failure.

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