[lexD]

I have an idea to remove sulfation in lead acid battery moderately safely.

0/ Put gloves on
1/ Remove the caps and collect the acid in a bucket
2/ wash inside of battery with water
3/ make up a water copper iodide solution and place in cells.
This produces Lead Iodide and copper sulfate. Lead Iodide is not very soluble in water.
4/ Put on battery charger in ventilated area and make hydrogen iodide gas.
5/ clean out battery of copper sulfate with water.
6/ put old acid back in and/or get acid levels restored.
use.
Like your comments!!!

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[Arkcon]

Like your comments!!!

OK, here's one:  Why?

[lexD]

Copper iodide is moderately soluble is water and copper sulfate is even more soluble. This makes it reach all parts of a lead sulfate in the battery and removing the copper products is easy with excess available water. Electrically braking a lead sulfate bound in water is very hard, braking a lead iodide bond is very easy in comparison.