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#1736021 - 01/08/10 07:58 PM Anybody ever RejuveNite a Lead Acid battery?
Chris142 Offline


Registered: 06/05/03
Posts: 11758
Loc: apple valley, ca
I ran across this video.

http://www.youtube.com/watch?v=J7n908PSRTw

My boss has an old Meter maid cart thing that he uses around his property and the battery died. It's a Napa battery and one of the cells wont come up even after 2 days on a trickle charger.

The other 5 cells are good.

Under a 100A load it would drop to 4v which won't start the cart.

I did the Epson salt trick and after 2 hrs it had 12.6V and dropped to 10V under a 100A load. Be interesting to see how long it lasts.

I wouldn't recomend doing it to a car you take into Death Valley or your kid drives but for a tractor used around the house it should be ok.

I'm going to check it again tomorrow. It's at the shop with a 1157 bulb burning bright. I'll put it on a trickle charge tomorrow and see what happens.



Edited by Chris142 (01/08/10 08:01 PM)
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#1736040 - 01/08/10 08:28 PM Re: Anybody ever RejuveNite a Lead Acid battery? [Re: Chris142]
robshelton Offline


Registered: 07/10/09
Posts: 450
Loc: Winston-Salem, NC
Nothing to loose trying it so...
I'm looking forward to seeing how it works out. I have some stuff called Battery Equalizer but haven't tried it yet. If the video is accurate, I wasted $50!
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#1736053 - 01/08/10 08:50 PM Re: Anybody ever RejuveNite a Lead Acid battery? [Re: robshelton]
oilboy123 Offline


Registered: 12/05/03
Posts: 6657
Loc: Everett, Washington
What about the trickle chargers with a sulfation button?
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#1736119 - 01/08/10 10:14 PM Re: Anybody ever RejuveNite a Lead Acid battery? [Re: oilboy123]
JohnBrowning Offline


Registered: 05/01/03
Posts: 9448
Loc: USA
Epson salt will not do anything of use. Magniesium SUlfate is what is in Epsom Salt and it in no way will reduce or remove the sulfation that happens inside a lead acid batter. It also is not part of the electrolyte mix and and will not do anything to positively affect specific gravity!

On top of all of this just in case I was wrong I ran this by my Chemistry Professor who is a real PHD and is published and actually teach's class's still! On top of that amongst other things he worked for a long time in the Auto Industry and the Medical Industry so he is not all book smarts and no hands on type!HE confirmed what I said before the Epsom Salt trick is nothing more then ignorant wives tale!

Last time I commented on this myth I was kind enough to point out that EDTA which is almost as cheap and is easily available mail order or at local chemical supply houses can have some positive effect assuming the plates are not shorted out and you completely replace the electrolyte with fresh after the EDTA has done it's job. For best results mix the EDTA with distilled water.!!!!

On top of that while I am clear about how EDTA works as a chelating agent I am still waiting for anyone to explain what Magniesium Sulfate is supposed to do and how it is supposed to do it? Science guys it all comes down to science no way around that!

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#1736120 - 01/08/10 10:14 PM Re: Anybody ever RejuveNite a Lead Acid battery? [Re: oilboy123]
Steve S Offline


Registered: 01/20/03
Posts: 18449
Loc: East of IGO
Get some new golf cart batteries. You need a proper output and charging rate battery charger to charge the deep cycle batteries.
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#1736133 - 01/08/10 10:36 PM Re: Anybody ever RejuveNite a Lead Acid battery? [Re: Steve S]
Michael_P Offline


Registered: 08/20/07
Posts: 1077
Loc: Ohio
I have used VX6 or Charge it and have had batteries last 10 years or more even in bad winters. I use this as a maintenance product rather than a rejuvenator. These chemicals I mentioned contain cadmium and are hard to come by now days because of a worldwide ban on cadmium.

BTW, Mag Sulfate is a great smooth muscle relaxer.

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#1736164 - 01/08/10 11:10 PM Re: Anybody ever RejuveNite a Lead Acid battery? [Re: JohnBrowning]
Chris142 Offline


Registered: 06/05/03
Posts: 11758
Loc: apple valley, ca
Originally Posted By: JohnBrowning
Epson salt will not do anything of use. Magniesium SUlfate is what is in Epsom Salt and it in no way will reduce or remove the sulfation that happens inside a lead acid batter. It also is not part of the electrolyte mix and and will not do anything to positively affect specific gravity!

On top of all of this just in case I was wrong I ran this by my Chemistry Professor who is a real PHD and is published and actually teach's class's still! On top of that amongst other things he worked for a long time in the Auto Industry and the Medical Industry so he is not all book smarts and no hands on type!HE confirmed what I said before the Epsom Salt trick is nothing more then ignorant wives tale!

Last time I commented on this myth I was kind enough to point out that EDTA which is almost as cheap and is easily available mail order or at local chemical supply houses can have some positive effect assuming the plates are not shorted out and you completely replace the electrolyte with fresh after the EDTA has done it's job. For best results mix the EDTA with distilled water.!!!!

On top of that while I am clear about how EDTA works as a chelating agent I am still waiting for anyone to explain what Magniesium Sulfate is supposed to do and how it is supposed to do it? Science guys it all comes down to science no way around that!


Well here it is as of 30 minutes ago. It went from a completly discharged battery to this and has been burning since about 2pm...It's 9pm here now.

Now weather or not it will actully start a car is yet to be seen. It was down to 10v and dropped to 7v with a 100A load 30 min ago.

The Epson salt did do something to make it a better battery than it was. I'm not holding my breath though.

Excuse my fat finger on the bottom of the pic.


Edited by Chris142 (01/08/10 11:11 PM)
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#1736236 - 01/09/10 02:42 AM Re: Anybody ever RejuveNite a Lead Acid battery? [Re: Chris142]
L_Sludger Offline


Registered: 10/04/09
Posts: 2675
Loc: NORTHCOM AOR
I never did the salt trick. Once upon a time, a family member went through NAPA batteries like tanks of gasoline in her car. Once it got so bad that even though the alternator was producing great voltage, the car wouldn't start and had to be jumped every single time - including after having driven it 250 miles and stopping to get gas.
Well, I got my hands on this battery and tried a regular charge with it. Sure enough, it would have a phantom 12.6v but then drop down to 10v after attempting to start with it. Then it would stay at 10v. I didn't give up - I put it on a very slow, weak trickle charger for a few days and tried again. Voila... it started holding a 12v charge! It went on to replace a bad battery in another car and continued to work in that car for the next year until the car was sold. Last I heard of that car, it still had that battery in it.

Batteries are funny creatures.

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#1736325 - 01/09/10 08:42 AM Re: Anybody ever RejuveNite a Lead Acid battery? [Re: L_Sludger]
Slick17601 Offline


Registered: 12/04/04
Posts: 1236
Loc: Pennsylvania
I added an Alka Seltzer to each cell of a garden tractor battery already a few times and got another summer of use.

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#1736360 - 01/09/10 09:08 AM Re: Anybody ever RejuveNite a Lead Acid battery? [Re: Slick17601]
Propflux01 Offline


Registered: 09/26/02
Posts: 3168
Loc: Arkansastan
Originally Posted By: Slick17601
I added an Alka Seltzer to each cell of a garden tractor battery already a few times and got another summer of use.


Bet that was a relief!
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#1736818 - 01/09/10 04:49 PM Re: Anybody ever RejuveNite a Lead Acid battery? [Re: oilboy123]
Chris142 Offline


Registered: 06/05/03
Posts: 11758
Loc: apple valley, ca
Originally Posted By: oilboy123
What about the trickle chargers with a sulfation button?
Never seen one.
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#1736844 - 01/09/10 05:14 PM Re: Anybody ever RejuveNite a Lead Acid battery? [Re: Chris142]
Jonny Z Offline


Registered: 06/03/05
Posts: 1251
Loc: Austin, TX
Originally Posted By: Chris142
Originally Posted By: oilboy123
What about the trickle chargers with a sulfation button?
Never seen one.

Check your manual. Mine, linked below, which I paid $30 for at Wally, has it but it activates automatically if it detects a batt needs it.

http://store.schumachermart.com/sc-600a.html

Please keep us posted on the result. I have a pack rat friend sitting on 3 -4 old dead batteries in his garage.
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#1737102 - 01/09/10 08:26 PM Re: Anybody ever RejuveNite a Lead Acid battery? [Re: Jonny Z]
Chris142 Offline


Registered: 06/05/03
Posts: 11758
Loc: apple valley, ca
I put the battery on the charger @ 8am. Checked it @ 5pm. It's still got a dead cell although it will light a small bulb all night.

It's not enough to start a car. IMO the Epson salt did improve it from DOA to small bulbs and maybe playing a radio.

I went everywhere looking for a charger that has a desulfate mode and did not find anything. I'm assuming that one would say so on the box.
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#1737141 - 01/09/10 09:01 PM Re: Anybody ever RejuveNite a Lead Acid battery? [Re: Chris142]
Panzerman Offline


Registered: 12/16/06
Posts: 2528
Loc: Daytona, Florida
I go through alot of atv batteries. I started taking them out and putting them on trickle chargers, but still alot of work and with 6 of them it seems like Iam always buying batteries. Iam going to try the salt trick, the seltzer trick and I may try hitting one with a welder, it works on the nicad rechargable. Ill put the atv battery under a wood box with just the leads coming out and hit it with about 30 volts and see if that helps.

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#1737147 - 01/09/10 09:08 PM Re: Anybody ever RejuveNite a Lead Acid battery? [Re: Panzerman]
Chris142 Offline


Registered: 06/05/03
Posts: 11758
Loc: apple valley, ca
When I got my truck it had 2 "renewed" batteries in it. They worked fine but I replaced them when I got a truck for pars and it had 3 brand new batteries in it.

Just reciently one of the renewed batteries died. One still works. I was wondering if I could renew batteries for stuff around the house but no such luck so far.

There has to be a way other than cutting the case apart and cleaning the plates (Sonic cleaner?).
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KLR250 Maxima 10w40
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