How To Recondition Car Batteries Yourself!

How To Recondition Car Batteries Yourself!

How To Recondition Car Batteries

New Trans AmIt’s easy to learn How To Recondition Car Batteries. I’m going to show you exactly how to do it safely. Before I do, I want to talk about safety. All car batteries contain battery acid, which is extremely hazardous! Use extreme caution when working on your car battery.

Battery acid is very corrosive and can burn your skin and destroy your clothing. Below is a list of all the safety gear and things you’ll need to recondition your automotive battery the safe way. I can’t stress this enough! Be careful and use your safety gear!

Reconditioning a 12 Volt Car Battery: 100% Success

The Gear You’re Going To Need

  1. Neoprene Rubber Gloves
  2. Safety Goggles
  3. Shop Apron
  4. A Small Crescent Wrench
  5. A Funnel
  6. Magnesium Sulfate (Epsom Salt)
  7. Distilled Water
  8. Turkey Baster To Remove Excess Electrolytes From The Battery
  9. 12v Battery Charger

*Special Note! If you don not have a battery charger, you can find one for a great price on

Here’s How To Recondition Your Car Battery Step-By-Step

Removing Car Battery

  1. The first thing you’re going to do is remove the battery from the car. You will need a small crescent wrench to remove the connectors from the terminals on the battery.
  2. Make sure your battery is room temperature. Never work on a hot battery!
  3. Wash the outside of the battery with clean water and baking soda. Baking soda neutralizes the battery acid making it much safer to work with. Make sure you clean the connectors and terminals as well.
  4. Carefully remove all cell covers by prying them with a screw driver. Make sure not to break the cell caps. Take a paper towel and clean around the hole of each cell. Be careful not to let anything fall inside the cell.
  5. Take a half gallon of distilled water and heat it almost until it reaches its boiling point. Then slowly add a half pound of Magnesium Sulfate (Epsom Salt). Mix completely until the Epsom Salt is 100% completely dissolved. (Those of you that want to skip this process can purchase battery acid at your local auto parts store).
  6. The next thing you’re going to do is use your funnel to add the mixture you just made into each cell carefully. There are lead plates you should be able to see in each cell. Make sure your mixture completely covers the lead plates without over filling the cells.
  7. Take the cell caps and install them. Make sure each cell cap is installed correctly and flush with the batteries surface.
  8. Gently shake the battery about ten to fifteen times until the mixture moves through out the inside of the battery.
  9. The final step is to hook up your charger to the battery. I would charge the battery before installing it back in the car. If you choose to install the battery before charging it. Make sure not to hook the connectors to the battery until it is completely charged. Make sure you are using a 12 volt charger. Your battery should be completely charged in 24 hours. Depending on the condition of the battery, you may have to charge your battery more than once.

Charging Car Battery

There is another step that is completely optional. You would do this step before charging your battery. This is called discharging the battery. Most mechanics prefer this step after reconditioning a car battery. It’s very simple to do.

All you have to do is install the battery back in your car and connect the terminals. Turn the headlights on and wait for the lights to dim. Disconnect the connectors from the terminals and charge the battery just like I described above in the last step. Remember, this step is optional.

Car Battery Maintenance Tips

Most of us drive our cars everyday, so these tips aren’t necessary unless your car sits around for long periods of time. Most people don’t know that their car still drains power from the battery even when the car is turned off.

The best thing to do if you store your car for any length of time, is to disconnect the battery. You can buy a on/off switch at the auto parts store or you can simply disconnect the connectors from the terminals. This will save your battery and give it a much longer life span.

Now You Know How To Recondition Your Own Car Battery Safely

Battery BusinessThe most important thing to remember is, SAFETY FIRST! Always use an apron, safety goggles and neoprene rubber gloves when reconditioning your car battery. This is very important! Battery acid is extremely hazardous, so be careful and pay attention to what you’re doing at all times.

One thing I forgot to mention is, never ever use tap water in your solution. Tap water contains chemicals that will damage your battery beyond repair! Always use 100% distilled water in your mixture and you will never have a problem. Keep your battery away from open flames!

This concludes your battery reconditioning lesson for today. I got these tips from a book called EZ Battery Reconditioning. If you want to learn how to recondition any type of battery. Click on the red button below now and read my review on this great book. Thank you for stopping by!

Please feel free to contact me personally by clicking HERE Contact Jack or simply leave your comments and questions below. Thanks again! 🙂

Jack Taylor Signature 2


How To Recondition Car Batteries Yourself!
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How To Recondition Car Batteries Yourself!
Get step-by-step instructions on how to recondition car batteries yourself. Save lots of money and recondition your old car battery today!
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4 thoughts on “How To Recondition Car Batteries Yourself!

  1. Hi Jack

    Loved your page. Very colourful and some very nice wheels on display.

    I read your battery recondition step-by-step instructions. Till I read this, I didn’t even know it was possible to recondition them. So thank you very much, I’ll know what to do next time I need a battery brought back to life.

    I also found your site extremely easy to navigate and the images and content kept me reading from start to finish.



    1. Hi Wayne,

      I’m really glad you like my site and found the information on reconditioning car batteries useful. I never knew you could recondition a car battery before I read a book called EZ Battery Reconditioning.

      There’s a lot more batteries that can be reconditioned too! In the coming weeks, I’ll be covering more batteries that you can recondition yourself.

      Thank you for your great comment!


  2. Wow! We just bought a new (vintage!) car and this is a great way to save some money along with being a little more eco friendly while we can.

    With all the acid and hazards I’m a little hesitant, but with your instructions we’ll see how it goes, thanks 🙂

    1. Hi Kegan,

      I would love to see a picture of your vintage car. I love old cars! They just don’t make them like they used to. I’m glad my warning about safety and the hazardous materials inside a car battery stand out in the article.

      You should have no problem at ll, if you take the extra steps with your safety in mind. Just take your time and use your safety gear at all times. Let me know how your reconditioning project turns out.

      Thank you for your comment and enjoy your vintage car!


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