Does Putting Water In A Car Battery Help. Most auto batteries work by chemical action to make power. Here is how to add water to a car battery if your cars battery is low.

Anyone who has a set of deep-cycle flooded lead-acid batteries knows that proper maintenance includes checking the water level in each cell after a full charge. Add water to the battery to bring the level to just below the bottom of the cell inspection hole. When your batterys electrolyte is observed to be low filling the battery with water will keep the battery healthy and safe for use.
The reaction reverses when the battery is recharged and the acid increases in strength.
This can cause water to evaporate from the battery. If your plates are exposed to air in the cells and all you have is tap water then no it doesnt matter too much for the short-term. Anyone who has a set of deep-cycle flooded lead-acid batteries knows that proper maintenance includes checking the water level in each cell after a full charge. The reaction reverses when the battery is recharged and the acid increases in strength.
