how to recondition batteries

Now let's find out the materials that you will use to learn how to recondition batteries at home. Required Items for Reconditioning Your Vehicle.

how to recondition batteries

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  • 02-04-2013, how to recondition batteries ☑how to how to recondition batteries for 03:05 PM #2
    SemiMan
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    Re: Reconditioning Lead Acid Batteries with Epsom salt

    -----
    Last edited by SemiMan; 12-02-2015 at 12:53 PM.
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  • 02-04-2013, 03:22 PM #3 #3
    TinderBox (UK)
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    Re: Reconditioning Lead Acid Batteries with Epsom salt

    Years ago i heard that you put a aspirin tablet in the cells, i don''ll be warm for a day. Set a man on fire, and he''t work on every battery. Going on memory here I seem to recall that we would get some life out of 60 - 70% of the batteries we tried this on.

    There are limitations to this. It only works once. If the battery dies again adding more epsom salt will not help. The biggest limitation is that the battery only lasts about 12 months, then it dies again.

    We also sized the amount of Epsom salt down and used this for motorcycle batteries. You could recover them at the beginning of summer and they would work fine all summer, but the next year they were very, very, very dead.

    I talked with a battery manufacturer about this. He didn''s always a woman rolling her eyes...

    Most batteries don''t work on every battery. Going on memory here I seem to recall that we would get some life out of 60 - 70% of the batteries we tried this on.

    There are limitations to this. It only works once. If the battery dies again adding more epsom salt will not help. The biggest limitation is that the battery only lasts about 12 months, then it dies again.

    We also sized the amount of Epsom salt down and used this for motorcycle batteries. You could recover them at the beginning of summer and they would work fine all summer, but the next year they were very, very, very dead.

    I talked with a battery manufacturer about this. He didn''s have filler caps. Just many of them are hidden. On the SLA''t generally revive batteries that have a dead or really weak cell. I did remember hearing that someone got another 5 years use out of a battery that was very week. So YYMV I guess.


    Originally Posted by bshanahan14rulz
    You might see if you can find a circuit diagram for a battery desulfator circuit, too.

    cursory search brought up this: http://hackaday.com/2009/02/07/desul...n-altoids-tin/
    Yep I''t exactly seem safe to me...


    Originally Posted by SemiMan
    Have heard of it as a old wives tale and remember reading someone doing a test and it making little to no difference. From what I understand chemically there is no viable reaction that would cause the removal of sulfation from the plates hence why you still had really high resistance and likely only a small amount of the original capacity.

    I have yet to see a true lab test of a successful desulfation, though lots of adhoc about pulse desulfation.

    Semiman
    I''s part of it?

    It definitely works... You can see hundreds of youtube videos with people documenting their results and even doing cold cranking amp tests before and after. Do you really need a lab test to be a believer?

    I also did this to a motorcycle battery which seems to be working a lot better. Before it would only take about a 1Ah charge, now takes about a 3Ah charge.

    Also I was reading about people that converted their lead acid batteries to a lead Alum battery by using Alum powder. Quite interesting.
    Last edited by jasonck08; 02-06-2013 at 02:40 AM.
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  • how to recondition batteries ⭐️how to how to recondition batteries for 02-06-2013, 03:06 AM #7
    TinderBox (UK)
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    Re: Reconditioning Lead Acid Batteries with Epsom salt

    I have an old optimate III 12v charger i use it to charge sla battery`s it has an automatic de-sulphate mode, it supposedly puts 25v into the battery, though i have never seen the de-sulphate led come on.

    John.
    "Build a man a fire, and he''ll be warm for the rest of his life." - Terry Pratchett.
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  • 02-06-2013, 03:17 AM #8 #8
    AnAppleSnail
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    Re: Reconditioning Lead Acid Batteries with Epsom salt

    Originally Posted by jasonck08
    It definitely works... You can see hundreds of youtube videos with people documenting their results and even doing cold cranking amp tests before and after. Do you really need a lab test to be a believer?

    I also did this to a motorcycle battery which seems to be working a lot better. Before it would only take about a 1Ah charge, now takes about a 3Ah charge.
    A lab test would explore exactly how much capacity is regained, for how long. Another might study the best '' for recovery. Getting a dead battery to work poorly is worth a little bit, but never knowing when it will die again means I would choose to replace it soon rather than play with acid and open cells.

    A battery can take any charge the charger delivers, and that depends on how the charger is built to detect end-of-charge. What is its measured capacity? That will be a damaging test to the cell, but it''takes a 3 AH charge.''s very interesting to read the comments on it. Now about 10 years ago I had some VX-6 sitting on a shelf that my father had purchased years before. I added this product to a five year old battery that was showing it''t know what was in that additive but that battery worked like new for another FIVE years. The interesting thing about it was that when that battery died it just died. It was good today and gone tomorrow but I would buy that product again if I could find it.

    I would like to respond to the folks that say this is snake oil and these things don''m interested in what you mean by '' and ''.

    Does that relate to short-term output current, or capacity/charge retention?

    I''s age" I would say getting to be a slow cranker of the engine I am trying to start. I agree that if you have something that is easy to start that it just takes a "kick" to get it running but a start after an overnight sit may take some cranking and it actually holds the load. Now I never ran that battery down just to see how long it would actually crank the engine but it seemed to have a snap about it like a new battery. I have used this in a motorcycle battery too. Where I would only get about three years out of those batteries I now get a good six years before they die. I have never used the Epsom Salt "trick" and I only brought it up in my email to say that I too had even been taught how to use it many years ago. What I treat my batteries with is a product like the VX-6. Again I have no idea what''s on the dollar I will do that. Now the other battery that I am talking about here I use in an airplane. Again an application where it sits for extended periods. These batteries used to cost in the neighborhood of $90 but now they are over $200. Nothing special about them either except they are certified for an airplane. But again with a good additive I can double the life from four to five years to eight to ten it''s also not a wives tale believe it or not. The aspirin (non buffered) is converted to acetic acid, which both changes the potential of the battery and helps attack the sulfate buildup. This is an emergency last resort though, because your battery will begin to corrode internally when you do this. Magnesium sulfate is much better for a long term solution. Another short term solution that may work is pouring some coca-cola into the cells.
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  • 12-02-2013, 05:43 AM #18
    mslisaj
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    Re: Reconditioning Lead Acid Batteries with Epsom salt

    Dear Mr. MethylEthyl

    I can''t as clear to me as you made it. Through all the years that I have "kind of" knew this worked I couldn''m doing.

    Thank you so much.

    Lisa
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  • how to recondition batteries ⭐️how to how to recondition batteries for 10-22-2014, 05:08 PM #19
    PaulRekow
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    Re: Reconditioning Lead Acid Batteries with Epsom salt

    I have some Trojan L16''s the ideal ratio ? half teaspoon of Epsom salt for each cell is helpful ?
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  • how to recondition batteries ⭐️how to how to recondition batteries for 07-13-2016, 06:15 PM 07-13-2016, 06:15 PM #22
    SilverFox
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    Re: Reconditioning Lead Acid Batteries with Epsom salt

    Hello Doc Cyrus,

    Welcome to CPF.

    With larger batteries we used 1/2 - 1 teaspoon per cell. With normal car batteries we would use 1/4 - 1/2 teaspoon per cell.

    Motorcycle batteries were a special case. We would use about 1/8 teaspoon per cell and always marked them with a Drop Dead date. They would work for about 12 months and then just drop dead.

    Tom
    Behind every Great man there''t die - they are tortured to near death, then murdered...
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  • how to recondition batteries ⭐️how to how to recondition batteries for 09-24-2016, 01:11 AM #23
    richief
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    Re: Reconditioning Lead Acid Batteries with Epsom salt

    Stumbled on this thread and want to add my experience with epsom salt. Bought an old jd lx176 mower this spring, was sitting outside for yrs and in hindsight needed a ton of work, but is going great now. Well it had no spark, and needed both an ignitor and a coil. While I was waiting on amazon, i decided to try and revive the old battery, heated a half gallon of distilled water in my electric kettle till hot but not boiling, poured water and added epsom salt in an empty gallon jug stirring constantly and adding salt till I noticed granuals not disolving, knowing this is too concentrated added anothe pint of distilled water and called it good. I shook old battery and emptied it completely into a bucket, added water half full shook and emptied again, and thrice. Lots of grey water/mud came out. Added epsom solution to the empty battery and charged at 2 amp for a day. I was quite pleased the battery came back to life. I cut my grass all summer and this battery is still kicking. Cost me about five bucks. I just bought a honda rubicon project and the battery is shallow, still have some solution so this time I am just going to remove some electrolyte from each cell with a turkey baster and add epsom solution and see what happens. Most of the reading I have done on the subject suggest the latter method, but emptying has worked great and I cant tell performance from a new one, and no sign of weakening yet, even after skipping 3 weeks of cutting during dry spell, she still cranked great. If you have the time and vehicle is not depended on as primary it is worth a shot, I still giggle every time i start the mower. Lol
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  • 09-25-2016, 01:07 AM #24
    IonicBond
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    Re: Reconditioning Lead Acid Batteries with Epsom salt

    Sulfation is only half the story.

    When sulfation has been left long enough to harden, it expands.

    This bends, warps and can short plates. It also breaks plate grids.

    Thus, when these temporary desulfation procedures are attempted, and even if successful, what you are left with is a badly damaged battery that will not support the loads it was designed to do. Revival means temporary or trivial loads.

    You now have a battery with high internal resistance / self discharge that needs a lot of charging babysitting, and other nasties like "hot spots" and other things that show up when you try to recharge it like normal.

    Your time / money is better spent taking care of the battery in the first place, unless that means nothing to you.
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  • 01-21-2017, 03:33 AM #25
    IonicBond
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    Re: Reconditioning Lead Acid Batteries with Epsom salt

    Reconditioning as a way to save a battery is an oxymoron. By the time you need it, it is too late, other than for trivial temporary loads.

    Unfortunately, in some parts of the world, "reconditioning" kits, pamphlets, and even village recruiters are touted as a way for people to generate revenue from trash. These crap batteries are then resold to the local unknowing community.

    The problem is that this trash properly belongs in the already-existing lead-acid recycling plant stream. However, those suckered into trying to make a living from such trash with amateur efforts, actually does *MORE* harm to the environment, by diverting product from those plants that know how to deal with recycling trash, and do so safely and profitably to stay in business at a local level protecting the local villagers from toxic problems.

    Caveat emptor indeed.
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  • 01-22-2017, 08:55 for 1 last update 2020/07/14 AM08:55 AM #26
    snakebite
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    Re: Reconditioning Lead Acid Batteries with Epsom salt

    that extend battery life site has very bad info.
    putting baking soda in a battery is a good way to kill it for good.
    looks like some sort of bot generated trash.
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  • 01-22-2017, 10:49 AM #27
    snakebite
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    Re: Reconditioning Lead Acid Batteries with Epsom salt

    actually it is good to try these techniques to wring a few more years from any item.just have to pick your subject carefully to prevent wasting your time.
    it delays manufacturing a new item which is always good for the environment.
    and since a scrap battery has a good value for recycling few if any really hit the trash.
    the most environmentally friendly use of ANY item is to use it up fully before recycling.
    be it a battery or a tv.
    the agm battery in my workvan is 15 years old.
    i rehydrated it 10 years ago and it still works fine.
    even after sitting 2 months without being run it started in 0f temps.
    on my wall is a pioneer kuro 60" plasma i got free and repaired.
    and 4 free trojan l16 run my lighting and radio stuff from solar.did the edta treatment on those 4 years ago.
    Originally Posted by IonicBond
    Reconditioning as a way to save a battery is an oxymoron. By the time you need it, it is too late, other than for trivial temporary loads.

    Unfortunately, in some parts of the world, "reconditioning" kits, pamphlets, and even village recruiters are touted as a way for people to generate revenue from trash. These crap batteries are then resold to the local unknowing community.

    The problem is that this trash properly belongs in the already-existing lead-acid recycling plant stream. However, those suckered into trying to make a living from such trash with amateur efforts, actually does *MORE* harm to the environment, by diverting product from those plants that know how to deal with recycling trash, and do so safely and profitably to stay in business at a local level protecting the local villagers from toxic problems.

    Caveat emptor indeed.
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  • 05-14-2017, 04:18 PM #28
    maniac78
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    Re: Reconditioning Lead Acid Batteries with Epsom salt

    Yes. Method with epsom salt really works good for nimh battery. I recondition 3 batteries in this way. Here is instruction how to *link removed
    Last edited by Greta; 05-22-2017 at 07:39 AM.
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  • 05-14-2017, 04:48 PM 05-14-2017, 04:48 PM how to recondition batteries ☑how to how to recondition batteries for #29
    ChrisGarrett
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    Re: Reconditioning Lead Acid Batteries with Epsom salt

    Originally Posted by maniac78
    Yes. Method with epsom salt really works good for nimh battery. I recondition 3 batteries in this way. Here is instruction how to *link removed
    Come again?

    Thanks.

    Chris
    Last edited by Greta; 05-22-2017 at 07:39 AM.
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