What Causes Corrosion On Battery Posts. During heavy rainfall water of acid rain can get under the hood and wet everything including bare metal terminals of battery. Check out our guide for acid corrosion - causes and cures.

The battery turns acid into an electric current. If bad enough theyll interfere with the battery connections and prevent the flow of electricity leaving you stranded. As a result corrosion will starts forming as the electrolytes accumulate.
If bad enough theyll interfere with the battery connections and prevent the flow of electricity leaving you stranded.
Battery corrosion around the posts of the battery is caused by the sulfuric acid and hydrogen gas vapor that can escape from the battery. Check out our guide for acid corrosion - causes and cures. The battery turns acid into an electric current. What causes battery corrosion.
