What Fluid Goes In A Car Battery. An automobile battery is an example of a wet cell battery with six cells. BatteryStuff Tech It is only recommend to put distilled water in a battery once the acid is originally added.

When a battery seems to be malfunctioning often all that is needed is to add a little to the electrolyte fluid in the battery. The electrolyte consists of water and sulfuric acid. Add water to the battery to bring the level to just below the bottom of the cell inspection hole.
Each cell is filled with a sulfuric acid solution which is the electrolyte.
12 Volt Car Battery12 oz. The electrolyte consists of water and sulfuric acid. Flooded cell batteries have a liquid electrolyte and can be replenished with distilled water. Check the car battery water level indicator on a regular basis.

