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Another battery question

kcm.MN

kcm.MN

Well-known Member
Location
NW Minnesota
The post by [b:a65df8112a]Charles in Aus.[/b:a65df8112a] got me to thinking. Unfortunately, I don't have an answer, so will ask here.

I know that over time, lead sulfate forms, making the battery no longer function properly.

So here's my thought -- with the price of batteries getting so high, would it do any good to buy brand new battery acid, such as this (https://www.homedepot.com/p/6-Qt-Ba...t-Watchdog-Standby-Batteries-Z-Pack/100136419), and replace the old acid in an aging battery?

When I've looked into older batteries, I usually cannot see in very far due to the solids, presumably from the lead sulfate? Just curious if swapping out old acid for new would get more life out of an older battery.

Your thoughts?
 
Maybe. Turning it upside down will dislodge settled Sulfation particles. The sulfate in the electrolyte is from the lead of the plates, so between getting rid of the
contaminated acid, and stirring the muck at the bottom, it is a hassle I would avoid. Jim
 
Yes, have seen that muck one time when messing with an old lawn mower battery. What "is" that muck, other than lead sulfate?

On that battery, I had royally screwed it up cause I wanted to see what would happen if I pressure-washed inside it. Well, I lot more gunk got dislodged. However, nothing happened after that. I'm guessing I dumped out all the acid, and simply replacing with water wouldn't work.

Can't remember how old I was then, but did that long ago. :wink:
 
When in the military my motorcycle battery went bad. I poured out the acid and took it into the shower and washed it thoroughly, then went to motor pool and added new electrolyte. never did have he power but worked somewhat.
 

Years ago I used to drain the power from the battery , then wack it down hard on a bench a few times to dislodge sulphate shorts between plates . After this I would re charge it backwards , drain it again , re wack it , then recharge the right way .
This worked on all but the worst of batteries and they usually went on to last another six months to a year .
Of course batteries were made a lot stronger then and the spaces between plates were a lot larger .
 
just changing the acid wont do a thing. the plates are sulfated. not worth the hastle and a burnt up pair of blue jeans.
 
I buy 5 gallon acid cartons at O'rileys auto parts, keep batteries in my tractors and golf carts topped of with it. They last
longer than ones I had in the past that were topped with distilled water. This seems to work great for new or good batteries, I
have killed a few old weak batteries that were nearly dead anyway by adding acid, so the battery needs to be in good shape, just
needing alittle fluid.
 
Sulfate build up accures when a battery goes dead or very low on volt output.

It takes a while to reverse the effects. But it can be done with a battery charger that can put out 14 volts over a period of time like a Battery Minder or other good charger made for desulfating batteries.
 
s don’t waste your time and money being cheap . Acid burns , ruined clothes , battery explosions and at best a poorly performing battery .
 
Hello kcm.MN,

lipstick on a pig! NO! it will not rejuvenate a battery that is not testing or performing as new. Lead plates deteriorate and battery capacity diminishes. No magic machine can bring it back to 100%. Desulfators are the latest wave...NOT! Save your money and buy a battery for your application. You will enjoy good performance from the new one, and will have time to do others things that are more important,

Guido.
 
(quoted from post at 18:02:24 10/15/18)
I've heard it claimed that putting Epsom-Salt in the cells, will restore most lead acid batteries.
Click to expand...

I've heard that also, so I tried it. Twice. Didn't do a thing. Batteries were still dead.
 
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