How to Fix a Dead Cell in a Car Battery?

Car batteries are an essential component of modern vehicles, providing the power needed to start the engine and run various electrical systems. However, over time, these batteries can lose their charge and fail to function properly, leading to a dead cell. A dead cell in a car battery can be frustrating, causing difficulty starting the car and other electrical problems. Fortunately, fixing a dead cell is possible with some basic tools and a little know-how. In this article, we will look at how to fix a dead cell in a car battery and answer some common questions related to this topic.

Can a dead cell in a car battery be revived?

Yes, it is possible to revive a dead cell in a car battery. However, it is important to note that the process is not always successful and may not work for all types of batteries.

How do you fix a dead cell in a car battery?

To fix a dead cell in a car battery, you will need:

Here are the steps to follow:

  1. Check the voltage of the battery using a voltmeter. If the voltage is below 10 volts, the battery may have a dead cell.
  2. Open the battery caps and check the water level. If it is low, add distilled water to the battery.
  3. Clean the battery terminals using a battery terminal cleaner.
  4. Charge the battery using a battery charger. Leave the charger on for several hours or overnight.
  5. If the battery still does not hold a charge, you can try adding Epsom salt to the battery. Mix 8 ounces of Epsom salt with hot water and stir until it dissolves. Add the mixture to each cell of the battery.
  6. Charge the battery again using a battery charger. Leave the charger on for several hours or overnight.
  7. Check the voltage of the battery using a voltmeter. If the voltage is above 10 volts, the dead cell may have been revived.

Can you fix a dead cell in a lead acid battery?

Yes, you can fix a dead cell in a lead acid battery using the steps mentioned above. However, it is important to note that lead acid batteries are more difficult to revive than other types of batteries.

What happens if a battery has a dead cell?

If a battery has a dead cell, it will not hold a charge and will eventually die. This can cause several problems, including:

  • Difficulty starting the car
  • Dimming headlights
  • Electrical problems in the car

It is important to fix a dead cell in a car battery as soon as possible to avoid these issues.

Conclusion

A dead cell in a car battery can be frustrating, but it is possible to revive it. By following the steps outlined above and being patient, you can potentially save yourself the cost of buying a new battery. However, if the dead cell cannot be revived, it may be time to invest in a new battery to ensure the safety and reliability of your vehicle.

About the author, Phil Borges

Phil Borges is a battery aficionado. He's written extensively about batteries, and he loves nothing more than discussing the latest innovations in the industry. He has a deep understanding of how batteries work, and he's always on the lookout for new ways to improve their performance.