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desai18

Why battery runs down?

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Hey people. Please share the reasons why the battery of cars keeps running down after a period of time. And how can we help in reducing such an annoying problem!

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There are many reasons why the car battery runs down. Some are natural with time and some reasons are because of the carelessness of drivers.

  1. Lights are on: Well, the most common mistake we do is leaving the car lights on. Whether it is headlight or taillight, leaving the lights on even when one has already parked the car, battery runs down very quickly. Since all the lights in the car takes a voltage from the battery, so it’s important to switch off all the lights when you leave the car.
  2. Charging problem: When the charging system of the car stops working, there is no source provided to the battery to recharge it on its own and thus it starts running down. In such a case, one needs to get the charging system of the car checked.
  3. Electrical drain: Sometimes when there the relay of the car is sticking, or some diode shortage in the alternator, the electrical drain from the battery is very common. It also happens when the module doesn’t shut down. It affects the battery badly resulting into no charge in the battery.
  4. Too old: If you think that battery is a lifetime thing in the car, then you are wrong. One needs to replace the battery if it’s too old. When you are using a battery for more than 5 years, it tends to lose the ability to hold the charging system and thus it runs down. This is a natural thing. Every battery tends to die someday.

These are the most common reasons why battery runs down. So when you give your car for regular servicing, make sure that the battery is also working fine. Since UAE weather is hot, there are very less chances that the battery will run down because of cold, it’s of no time discussing that.

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Thanks Waleed. Couldnt agree more!

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Few months back i had the same problem and i found it. It was in my charging system. Even when you drive for a long distance your battery won't charge. That fix won't cost you much money .

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