Interstate Batteries

   / Interstate Batteries #31  
The old guy said most of the time... it was just a build up in the bottom of the case...

years ago I took a couple of batteries, dumped all the acid out, hosed the battery out, upside down, flushing all the sediment out of the bottom of the battery. Refilled with fresh acid and VIOLA ! They worked again. This removed the build up that shorted on the bottom of the plates.

They didn't last long, a few month maybe, so it wasn't worth the effort. I'd guess that the plates probably didn't have that much material remaining.
 
   / Interstate Batteries #32  
years ago I took a couple of batteries, dumped all the acid out, hosed the battery out, upside down, flushing all the sediment out of the bottom of the battery. Refilled with fresh acid and VIOLA ! They worked again. This removed the build up that shorted on the bottom of the plates.

They didn't last long, a few month maybe, so it wasn't worth the effort. I'd guess that the plates probably didn't have that much material remaining.


I also tried this once with the same results on one and the other must have been a broken plate as it would only charge to 11 volts.

What I ended up with was a bunch of toxic lead crap that I filtered out of the old acid and after the failed try I scrapped it back into the old battery prior to scrapping it for 20cents a lb.

M
 
   / Interstate Batteries #33  
years ago I took a couple of batteries, dumped all the acid out, hosed the battery out, upside down, flushing all the sediment out of the bottom of the battery. Refilled with fresh acid and VIOLA ! They worked again. This removed the build up that shorted on the bottom of the plates.

They didn't last long, a few month maybe, so it wasn't worth the effort. I'd guess that the plates probably didn't have that much material remaining.
... Exact same experience.
 
   / Interstate Batteries #34  
They didn't last long, a few month maybe, so it wasn't worth the effort. I'd guess that the plates probably didn't have that much material remaining.
Many modern chargers will disulfate lead-acid batteries.

Sulfation and How to Prevent it - Battery University

You have to pay attention to what you are buying because that doesn't work with AGM bateries.

Just as you can remove metal from rifle barrels by electrolysis, you can remove oxidation from the plates to restore function.
 
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   / Interstate Batteries #35  
Have a Dodge 2500 pick-up year 2005 diesel engine.
About a year ago had one of the battery's quit with no voltage when trying to start the engine .
Replaced the battery's and then opened the one that had failed by cutting the top where the plastic is glued to case. lifting out the plates saw one of the lead rivet's connecting the cells had been pressed in wrong and was loose. with large solder iron melted to rivet and then replaced into the case . This battery is still usual able on a gen/welder is the shop and the voltage same 13.6 when checked after period on non use.
Wonder is that rivet was designed to fail about time warranty was up .??
ken
 

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