So you wanna go on a drive one fine morning but your engine won’t start. Maybe you’re out on a dark road at night and you notice that your headlights aren’t as bright as they used to be. Chances are, your car battery is running out of juice and it’s time that you either replace it or repair it. If your battery is still in working condition, it is always a good idea to try repairing it.

All you need are some readily available equipment and some basic electrical know-how.

What’s wrong with my battery?

Car batteries work as a result of certain chemical reactions just like deep cycle batteries. After being in use for a while, the substances start getting neutralized and lose their reactivity. As a result, the performance starts to deteriorate. The problem can be easily fixed by replenishing the reactants in the cells.

What’s wrong with my battery

Materials Needed

  • Safety gear(gloves and glasses)
  • Voltmeter
  • Distilled Water
  • Battery Charger
  • Electrolytic Salts(Epsom/Copper Sulphate/Aluminium Sulphate)
  • Baking Soda/Sandpaper(optional)

Let’s Get To Work

Once you’re ready with the materials, just follow these steps.

Step 1: Safety first

Put on your safety gear. The contents inside the battery are acidic and can be harmful.

Step 2: Getting started

Now that you’re all geared up, take the battery out of the compartment.

Step 3: Cleaning up

If the terminals are corroded, brush the terminals with a baking soda paste. You could also use a sandpaper to brush off the terminals in case there is excessive corrosion.

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Step 4: Checking the voltage

This is an important step. Get your voltmeter and check the voltage across the battery terminals. The ideal voltage is 12v, considering a battery with only a little charge left but anything above 10v should work. You can proceed to the next step. If the voltmeter reads a value less than 10v, chances are, it is irretrievable and you should just get a new battery.

Step 5: Emptying the battery

The average car battery is divided into compartments called cells with electrodes in each. We need to replace the liquid in these cells and refill them with a new solution. Start by removing the battery caps. There can be two to six compartments depending on the battery manufacturer and the model. Carefully pour out the acidic solution in a plastic bucket. You can neutralize it with some baking soda.

Caution: The solution is acidic and can be harmful. Make sure you don’t spill anything. If it accidentally touches your skin, rinse thoroughly with water.

Step 6: Refilling

Once your cells are empty, refill it with distilled water. DO NOT use tap water as the minerals can harm the battery. You can also add electrolytic salts to increase the performance. Generally, Epsom salt is used but you can also use Copper or Aluminium Sulphates to achieve the same result.

Step 7: Recharging

We’re almost done with the process. The last step is to slowly recharge your battery over a period of 24 to 48 hours. Keep the battery caps open as the electrolyte may overflow during this initial charging stage. Check our battery every couple hours or so to make sure there’s no unusual activity.

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That was all about battery reconditioning in short. We have tried to Provide every single detail that can help you in fixing your battery

Check the voltage once again and you should have a reading anywhere between 12.4V to 11.6V depending on the condition of your battery. Plug your battery back in and go on that long drive you’ve been waiting for!

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