Car Battery Water Level

The proper fill level according to battery manufacturers is approximately 1 4 inch below the fill well bottom.

Car battery water level. Tap water contains minerals that can diminish the performance of the battery and can increase the rate at which they self discharge. The proper method recommended by most battery manufacturers is to add enough water so that the cell plates are completely submerged but not so much that the water is up to the battery case cell cap vents. We recommend you check your battery s water levels at least once every three months for a new battery and once a week if the battery is older than 1 years. All lead acid batteries have water inside of them and over time their water levels may go down.

Before checking the water levels in your car s battery make sure to wear safety goggles and disposable gloves to protect your eyes and skin from the electrolytes in the battery. Learn how to check car battery water levels with this guide from wikihow. When adding more water make sure you use distilled water. The water or electrolyte inside the battery helps in the electrochemical reaction to store this energy in the battery plates.

Then clean off the dirt from the top of the battery and open the ports so you can check the fluid level in each cell. You can check the battery without special tools and if necessary bring the water to the correct level in a few minutes at home.