Battery Restoration

Don't throw out your old batteries until you've tried this.

On average, car batteries cost around $120.

Most people replace theirs every 1-2 years.

If you could make that battery last 5 years, you could save yourself thousands over time. I found this video very helpful about bringing old batteries back to life (blue button below).

Hi Guys,

I'm John..

You may have come across my woodworking website.

Like me, my readers love to get their hands dirty building/restoring things.

Just because something is a little bit banged up, doesn't mean it needs to be thrown out. Sometimes it just needs a little TLC.

I try to share any tips and tricks I learn along the way.

This post is about restoring old batteries.

Hope it's helpful.

How to restore a car battery - step by step:

  • Turn off your car and allow the battery to cool for about an hour.

  • After that, lift up the hood and detach the battery – use a wrench to disconnect the negative cable first, followed by the positive cable.

  • Make sure that your wrench is not touching any other metal parts or you might experience a small jolt of electricity.

  • Once the cables have been disconnected remove the battery carefully (It is a tad heavy).

  • Now, remove the plastic caps on the top of the battery cells. Underneath, you will find marks where the cells have been sealed.

  • Use a power drill to make a hole in these marks (cover your eyes with safety glasses).

For this next bit, wear some gloves to protect your hands and empty the contents of the cell by turning the battery upside down over a storage container (non-metallic).

  • Gradually add small quantities of baking soda to the container. This neutralizes the liquid.

  • Repeat this procedure for all cells.

  • Cover the storage container tightly and keep it aside – you’ll need to take it to a facility where hazardous waste is disposed.

  • Now, mix one part Epsom salt into three parts of warm, distilled water.

  • You should have a quart of this solution for one cell.

  • Pour the solution into the cells, shake it around for a bit and let it sit.

Here’s how you complete the job:

  • Connect the three phase charger to the battery.

  • Make sure that it is off – connect the positive cable first and then the negative cable.

  • Set the charger to 12 Volts and switch it on. Let charge for 12 hours.

  • Cover the drilled holes with replacement plugs and place the battery back into the hood and connect it to the cables (positive first).

Congratulations, You have now successfully restored your battery!

Repeat the above-mentioned procedure every week for four weeks. This will get rid of all the sulfur deposits.

I have friends who haven't bought a new battery in 7 years.


They've even taken it a step further too..


They pick up dead batteries for free, restore and then sell them.


They've saved heaps of money, but now have side income too.

For a more in depth look at battery restoration,

check out EZ Battery Restoration

Thank you for stopping by!