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Tractor Talk Discussion Forum

Battery acid

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Wardner

10-28-2006 11:49:00




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Somebody just gave me a new 4D battery. No, I am not talking flashlight batteries. These are the big muthers that weigh three times as much as a car battery. It has a dime sized hole in the top and can be patched.

Anyway, I have about 20 junk batteries around here waiting to be scrapped. Is it possible to recycle the acid from these old batteries to fill my new battery?




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ken in texas

10-28-2006 17:32:19




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 Re: Battery acid in reply to Wardner, 10-28-2006 11:49:00  
You should be able to buy acid in 4 gallon containers at battery wholesailers at a reasonable price.



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ken in texas

10-28-2006 17:11:54




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 Re: Battery acid in reply to Wardner, 10-28-2006 11:49:00  
Sold a lot of 4d batteries in 16 years in the battery business mostly for Cat motor graders.If the battery you have has been sitting dry for too long without acid the plates may have become too hard to absorb new acid and may never accept a charge. Also I belive acid doesn't ever go bad only becomes contaminated and should not be reused. Only my opinion.



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old

10-28-2006 14:16:41




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 Re: Battery acid in reply to Wardner, 10-28-2006 11:49:00  
For around $5 you can buy enough acid to fill a battery and if you double that you can buy enough to fill 20 or 30 batterys. New acid is the only way to go



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Wardner

10-28-2006 16:06:27




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 Re: Battery acid in reply to old, 10-28-2006 14:16:41  
$5.00 ?

Because my usual full line automotive parts house is closed today, I went to a CarQuest-type place. They want $6.00 for a quart. I think I am going to need 10-12 quarts. I'll wait till Monday. I told you it was a "big muther"



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old

10-28-2006 17:00:09




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 Re: Battery acid in reply to Wardner, 10-28-2006 16:06:27  
Back when I was buying the acid I was getting a box with a bag in it. It had about 5 or 6 gallions of acid in it and for most batterys that would do a lot of batterys but ya I understand the big ones also since I have a couple of them in a Cat 950 loader



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FarmallBob

10-28-2006 14:27:35




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 Re: Battery acid in reply to old, 10-28-2006 14:16:41  
Are you saying that an old battery can be revived by placing new acid into it, as long as the plates have not been damaged? How would you know if the plates are in satisfactory condition, is there a way of measuring there usefulness? Thank you in advance.
Bob



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old

10-28-2006 17:03:11




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 Re: Battery acid in reply to FarmallBob, 10-28-2006 14:27:35  
I have had some luck getting an old battery to work again by draining it, then filling with distalled water chargeing it then drain that and then filling with new acid. But I found that for 10 of them you might get one that will work again so its not worth it



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ErnieDD

10-28-2006 14:31:11




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 Re: Battery acid in reply to FarmallBob, 10-28-2006 14:27:35  
New acid will not revive a worn out battery. If the case was damaged and the cell lost its acid, the case can be repaired and new acid installed. It would help to know if the battery was discharged or charged when the acid loss occurred.

http://www.ytmag.com/cgi-bin/viewit.cgi?bd=ttalk&th=507330



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ErnieDD

10-28-2006 13:56:22




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 Re: Battery acid in reply to Wardner, 10-28-2006 11:49:00  
Go to a battery store and have them refill it with electrolyte (sulfuric acid) at the right strength.



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FarmallBob

10-28-2006 17:03:56




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 Re: Battery acid in reply to ErnieDD, 10-28-2006 13:56:22  
Hi Ernie,
When my batteries go dead it is because they are discharged. I have a Gravely Tractor that I use to blow snow with, and it doesn't have a generator on it. If I am not careful it gets discharged without knowing it or it just sets to long without use. There are a bunch of dead batteries around here.(my neglect) Thanks for you in-put.
Bob



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RAB

10-28-2006 12:41:18




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 Re: Battery acid in reply to Wardner, 10-28-2006 11:49:00  
Possible.... But not really sensible. Old acid may contain all sorts of minerals and may not even be much acid there anyhow - as old batteries usually sulphate the plates leaving the specific gravity close to water and the battery brown bread.
RAB



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