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Make Your Car Battery LAST FOREVER! Restore And Revive Dead Batterys | SAVE HUNDREDS
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- Published on Mar 10, 2026
- This simple method can restore lead acid batteries and keep them going strong for years. Lead acid batteries can be revived and restored with this simple low cost method. The life of your battery can be extended much longer than you would believe. Prices on batteries have doubled and even tripled in some cases. Your battery may outlast your car or truck!!!
Here is the FREE PDF "Restore Car Battery" ⬇
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#restorecarbattery #revivebatteries #batteryrestoration
I would clean the battery before you open it.
I would put the battery charger on it before I removed the battery from the tractor
My God, I was thinking about that the whole time. Also, how about just charging the dead battery? Maybe it just needed charging. He did not mention any of that in the video
@torkjoy1This is how it goes. A "normal" battery that is allowed to go completely dead will be so sulfated, it won't charge unless you hit it with a stick welder or a charger like mine with a 300 Amp boost setting. Make sure it's full then charge it at 300 Amps for 5 minutes at a time so you don't cook it, and after a few tries it will begin charging normally again, then slow charge it overnight to complete the desulfation process and you're all set!
I would buy a new battery.
@McLovinTits Have you seen the prices of batteries. I would think he didn't recharge the battery so he could use it to show how to restore a battery!
I use Diet Coke because my battery is a Diode-betic....
LOLOL!!!!
nice.
Good one !
😂😂
🤣😂🤣😂🤣 Good one!!!
Recycle battery acid on a fire ant pile, got it.
Before you add baking soda..got it!
😂
Finally someone that actually follows instructions.
Tired of people assuming they know everything and wonder why nothing cool is happening to the ant hill
@Rabbit_7.62x63lol
Or a yellow jacket nest..
I just use an old dc welder and charge the battery at 24 to 30 volts . This high of voltage desulfates the plates. I read somewhere that it takes a minimum of 16 volts to work . Its important not to overheat the battery ,I usually charge for 15 to 20 minutes ,let it cool and hit it again it may take several cycles to bring it up to full power but it works ive been using the same battery in my truck for 12 years and it still cranks and last like a new one. Research this . I speak the truth
Ive read its pulsating high volts and 0 amps that breaks the scale off the lead.
No amps means no heat.
You should do a video!
I was told that over 20 years ago but forgot. Never tried it, never had a DC welder, but I've seen a few cheap ones around.. I might add it to the shopping list.
@WickedGod-l7x No amps means no current flow. The V alone won't do the work to convert lead sulfate back into lead. He's using 24/30V to shock V the lead sulfate crystals. It will work, but it needs to be monitored very closely to prevent over boiling of the electrolyte & over heating of the plates--which warp quite easily & can short circuit/destroy a battery.
High boost car battery chargers also work.
Would have been interesting to test the cold cranking AMPs after recovery.
Yeah, i clean battery BEFORE opening. Keeps alot of unwanted gunk from ever getting inside.
Really ? He cleans the whole thing . If he did it your way he would have to clean the outside twice .
Batteries dont last because of the lead breaking down and losing its electrons. Anyone taken one apart for the lead content knows this because in many cases, there is no salvagable lead left. Also, replacing the acid with electrolytes only works for a very short time, and if tried again, there is no acid left for the battery to work with. Why they still sell sulphuric acid in the parts stores, and thats what you fix a battery with. But must dispose of the old acid by leaving at the drop spot at the dump because it's not just acid anymore and is loaded with lead now held in solution.
4:53 coke residue, it's always a dead giveaway, always thinking I was being clandestine. 😂
I repaired two battery's with your method .Thank you so much for your help.
Great video, very professionally done. Straight "To the Point" information nor constantly repeating over and over useless information or muttering "ua" trying to think of what to say. Very well planned out and rehearsed. Wish more people would make videos as well. Thank you
I have a Nocogenius10 battery charger. If a battery fails, i put this charger on it and press the repair mode button. Leave it on till light goes out then charge. Might take a day to do this, but it has worked every time. So far. About 6 times. RV, truck, lawn mower.
I had to leave mine on my mower bad repair mode for almost 9 days but it works like a champ. Repair mode just switches the amp charging in a random order and that will do a lazy man cleaning of the plates but super slow
Yep I do the same thing with my batteries. Most of the time it works sometime it doesn't because the plates are buggered. Then I do a cold cranking amp and cranking amp test and that will tell you if your battery has enough power to crank efficiently. Otherwise I wouldn't suggest doing this. The battery he has done this to most likely has about a third to a half the cranking amps. I'd like to see him do a test on a completed battery
I have one. Has not worked for me on three weak batteries.
Did I miss something? Epsom salt is now the electrolyte instead of sulphuric acid? That seems chemically unlikely... Haven't run the formulas yet.. it seems strange replacing H² SO⁴ with . MG SO⁴ +7H²O. Which only has a Ph of about 6. A very weak acid. But if it works...
A good descailing or (reconditioning) cycle does work, but desulfation process by use of magnesium sulfate (epsom salt) works better, and serves as a good conductor for current due to magnesium sulfate and lead sulfate underging a single replacement reaction, and magnesium metal is more reactive than lead.
I followed your instructions and it worked fantastic!! Great video!!
Nice lawnmower.👍
Thank you !
I need this guy in my apocalypse squad
Wow! What an incredible Video! Thank you for taking the time to make it ...Beyond Helpful. Be Blessed, Jul
Thank you for letting me know about this!!!❤❤❤!!!
I just retired a battery from my 1999 John Deere lawn tractor it was the ORIGINAL battery!! 26 years not too bad. I used the machine in the winter for as a snowblower as well for years and I think that's what really helped keep it alive. I may try this method to bring it back, not for the costs saving but because this battery now has sentimental value to me lol
You are absolutely amazing, thank you!!!
I’m gonna try this tomorrow
If Epsom salts was a permanent solution why are all batteries of this chemistry using sulphuric acid?
the author is full of shit
This tidbit is from @ab_ab_c who commented:
"Important Limitations and Recommendations:
• Epsom salt is not a complete electrolyte replacement because it lacks the strong acidity of sulfuric acid necessary for normal battery operation. The typical battery acid concentration is about 35% sulfuric acid and 65% water, which Epsom salt cannot replicate.
• After reconditioning with Epsom salt, it is usually recommended to remove the Epsom salt solution and refill the battery with the standard sulfuric acid electrolyte to restore proper battery performance and longevity.
• Leaving Epsom salt solution inside the battery for regular use can cause increased gassing and corrosion, which may harm the battery over time.
• The Epsom salt treatment is best suited for mildly to moderately sulfated batteries that still have viable internal components. It will not revive batteries with dead cells or severe internal damage."
Sounds crazy but I was reading an article that some country developed a salt battery. They are talking about how it will replace lithium, etc. I'm not sure about lifespan power, etc. But sometimes the right choice doesn't work. Like hydrogen.
Exactly, you are changing the chemistry of the battery. Also I can't imagine that Epsom salt works as well as sulfuric acid electrolyte.
@roberts628704 You can buy a lot of Epsom salt for the price of a battery
@Countryman333 Canadian Prepper did a video about the salt battery. Seemed pretty good what I remember.
9:25 I saw an old mechanic hack is to put a drop of oil on them for same effect.
But being a lawn battery be sure to smear it around the odd shaped terminals
Good information thank you I'm going to try it
Very helpful video
Thank you
I've had my optima for 15 years now in my Silverado no problems and its gel instead of liquid . Your vid makes sense in the 70s my pap did what your doing .
This was informative thank you. There's more than one way to recondition the battery. I think this might be the safest way.
Your vedio was very much appreciated.
Awesome videos really appreciated it good to know thank you for that.
Vevor has a smart battery charger with a Desulfation Mode: Employs pulse repair functionality.
Thanks for the tip. God bless.
Thanks Chief 😎
Good information thank you
Awesome information.
Thank you good sir.
When I was a young man is the late 80s, & 90s you could fix a dead battery by going to the auto parts store and getting a bottle of battery juice.
They still sell electrolytes for batteries
@tdublove9558 brawndos got what batteries crave
1:50 It is dangerous to add bases to acids but much safer to add acid to bases
Thank you!!!
Does your theory work for deep cycle batteries?
Hey I did what's say and batter doesn't want to hold charge what do I need to do
I always like to wash off the dirt off the top before I open the cells.
❤AMAZING❤THANK YOU❤
1:17 .. You listed some basic safety precautions which were good, but speaking as someone who has had a lead acid battery explode (just violently pop I guess) near to my face as I was trying to put the terminals on, here's some great advice. *Be near a water source* and also make sure you are wearing old clothes because even bad acid will rot right through them... You won't see anything at first but wait until you wash them! I was young and I wasn't wearing eye protection, but the reaction speed of a blink is astonishing and as such I never had eye harm. Just thoughts...
And true as the day is long, @Injudiciously. There is hydrogen gas being produced, and when a spark touches that it's a little Hindenburg. It was a mistake not to mention that. So Thanks. A truly large number of batteries have been exploded, one by me! So let's all remember that people. Charging lead acid batteries and incautious cable handling can result in unpleasant results. 😢
.
A PS @Injudiciously. There can also be a comical side. I had built a Hot Rod I had to carry an in-case battery around for, because the really high compression ratio was so hard on the old six volt system with starting it.
So I was out one night with the battery in back, and it tipped over. No big deal, except i got acid on my jeans. About three or four hours later, I get out heading to go into the roller skating rink, and felt a cold breeze! Twenty people! I looked down and had nothing on but my zipper covering my underwear! You'd think I'd learn, but over the years I've handled humdreds of batteries, and like 6 times totally wasted my jeans.
Then synthetics came out replacing a lot of cotton, and you at least have a chance your clothes will come out of the wash whole with those.
I had a battery boil acid out the vents and spray my hand, you want MILK not water, water is an acid, milk is a base and will stop the burn.
@PatrickBaptist Sorry Patrick, milk might work ok, but water is not an acid, nor is milk a "base" whatever that means. In fact milk has butter fat in it that could possibly hold part of the acid against your skin. The plain and simple object is to get the battery acid off asap, and no matter what you have handy, the closest is what you use. You go running off looking for a cow and you could be in real trouble. 😂
@PatrickBaptistmilk is a weak acid.
and where is the Charging/alternator voltage shown when the mower is running?
I always try changing the battery first
I got a harbor freight charger that supposed to recondition batteries. Will that one work?
Heat your distilled water to 150°F to better dissolve the epsom salt (magnesium sulfate) mixture. You need 4oz of magnesium sulfate for 4cups of distilled water, the mixture needs to be clear not cloudy before use. There is really no need for sugary soft drinks if you have a battery reconditioning charger, I usually drink the soda instead.
Very cool.. Thx
I did that on three batteries, and they are still working, but I did two other ones that didn't hold a charge
Got the battery charged up it did a lot better in charging up
thanks for this
Thanks for the video. Epson salt as opposed to battery acid? I like the petroleum jelly trick. 😊
I use the start mode of an old school charger for about 30 minutes then trickle charge.
Great program
My k- mart battery is so old the bottom fell out! had to replace it 😅
Mighty bold statement in the title! It may fix some sulfated batteries but it will not repair those batteries that are old with decayed plates.
Can you do this on a motorcycle battery if it had been setting for more than 2 years..thanks
Does this process work on deep cycle and AGM batteries
An excellent job of being complete and being safe. Some excellent comment on this video also. However, removing the 'sulfates' means removing some lead also. I have not tried the welder solution yet - however after a bunch of research the welder approach seems best.
Hi there , so the new solution won’t freeze will it in sub zero temperatures?
can this done on lead on trojan deep cycles?
I wonder what a load tester would do, while it would work!
Merci pour le conseil 👍✌️
One more question I have a new battery several yrs old 800 or 850 cold cranking amps that I never got a chance to use so it new but discharged,what’s the best bring back method for it?also thanks for the info and effort to help
Petroleum gel? I swear I thought that was Vaseline and I was so confused 😂😂
Is there a technique that works with AGM or Gel batteries?
Can i do this to a 6 volt battery by charging it on 12 jump start for 5 minute at a time?
I tried this along time ago it started smoking the post
Where is the part where you add the battery acid back
Why do I see this the same day I bought a new battery?
can I do this for my vehicle
How to test sulphuric acid
Ok I have two 200 doller batteries to re do now so thank you new sub bell and like 👍
For open top batteries, you can pour the fluid out and refill it. We did this on the farm, and we had batteries that were over 20 years old.
Refill it with what? (simply distilled water?).
Safety glasses are a must but you should add a face shield as well when working with battery acid.
I would think it would be good to clean the top of the battery before you pop the covers
Did I miss the part where you replace the acid?
It's ok for a deep cycle battery as well?
I heard you say golf cart but what about disability carts they’re a little different
What about substituting club soda instead of Coke
Just because the battery is completely flat, doesn't mean it's rooted. Depends how long it's been left like that
Why not use vigar with salt for the plates?
what is the mix ration for epsom salt and water?
Sure it worked just took it off battery charger but will it hold a charge
how is water and epsom salts replacing acid ??????
Out of that gallon of water.How much did it take to feel the battery
Great vid
So if you can't find epsom salt what can we use
No sulphuric acid?
You can also get strong phosphoric acid by ordering Ph down for hydroponics. Quarts or gallons.
Does this work with Semi truck batteries?!
Would adding brand new battery acid at the final filling up be better ?
Hey! That’s my toothbrush!!
Great video, theres a patent for adding Phosphoric acid to batteries from about 100 years ago. And they sell phosphoric acid dolutions for battery longevity. There are some serious flaws with your processes though. You should never put salt in your batteries, that will only create more corrosion and neutralize your ph. A Cold Cranking Amp comparison would easily demonstrate this. Sure you can have high voltage, but with low amps. This wouldn't work for cars. Additionally you should leave the caps off when your applying high amp charging to avoid pressure build up from off gassing. Batteries explode when they cannot vent properly. If you really want to bring your batteries back to life, drain the battery acid, filter it, rinse the cells with pure phosphoric acid, like OSPHO or a rust converter, then add the filtered acid back to the cells and top off with more battery acid. Do not dilute with distilled water. Water will neutralize the acid and reduce cold cranking amps. Then charge with high amps in 15 min intervals, till you see bubbles start to appear in the cells. Then apply low amps and charge for about 24 hrs. I've run the same batteries for over 20 years doing this. As long as the circuits are not shorted out and the lead plates are intact you can bring old batteries back often with better cold cranking amps then when they were new. Additionally adding a few ounces of phosphoric acid to the cells of your new batteries will prolong the life and reduce build up of sulfites. Remember batteries work through simply the transfer of electrons between the lead plates and the acid, anything you can do to improve that process or prolong that process will help.
Excellent summary! And even better methodology
What kind of filter do you use to filter battery acid?
@michaelboyle1983 you can use normal coffee filters to filter the acid. if using coffee filters I would suggest filtering it twice and use several single filters throughout the process. put filter in a funnel and slowly pour into new bottle and repeat until acid is cleared up
Reading your remedying,beats the hell out of this video.
When did he put salt in the battery ....?
Hi, isn't there need for acid replacement?
How does distilled water and Epsom salt turn into battery acid?
Thanks for the great detailed information.
The problem I would have is that as I only have a smart charger, that can also give a nice low 2amp charge, it's not going to even start charging until the battery is around 8v to 10v so I would have to try to find an older style (un smart) charger which is going to be quite expensive and difficult these days.
I've just ordered a new battery for my Honda Odyssey but will certainly dabble with this with the old battery just for curiosity.
But certainly food for thought.
Thanks heaps.
how is epsom salt a replacement for battery acid? did he miss a step?
I was once a vendor for a soda can machine manufacturer and they would always say that Diet Coke was the most corrosive. It would breakdown the industrial coatings on the machines. Just FYI
Have any of you guys ever heard of spongey lead
And we don't see the battery in the mower........ Clever camera angle.