Posts Tagged: white battery corrosion

What Is the Blue and White Powder on Battery Terminals?

What is that blue and white powdery stuff on my battery terminals? Quick Summary If you’ve opened your hood and discovered blue or white powder on your battery terminals, you’re looking at battery terminal corrosion. The color gives you a useful clue about what’s happening. Blue battery terminal corrosion is copper sulfate, which can form when sulfuric-acid-containing battery residue reacts with copper in the battery cable terminal or connector. White battery corrosion is commonly associated with lead sulfate or other light-colored corrosion products around lead-containing battery components. • Blue battery … Read More