Nothing
You will shorten the life of the battery. Only add Distilled water to a battery.
Only add distilled water and never add tap water.
Electrolyte is 35% Sulfuric acid and 65% distilled water. You can add distilled water to a battery that is low, but distilled water alone cannot be used as an electrolyte.
yes think can add but it must be distilled water
preferably distilled water
yes
Distilled water is almost devoid of free ions and molecules. So, when a living cell like a protist comes in contact with distilled water (which is hypotonic), large amounts of water enters the protist body, causing the cell to swell and burst, or suffer lysis.
If your battery is not a sealed unit you add pure distilled water.
If you can see the plates in the battery add distilled water to top it off.
Normally, you only add distilled water.
Add distilled water before for you charge it. Do not use tap water.
Add nothing but distilled water to a battery.