· to remove any remaining corrosion, mix a few drops of water, vinegar, or lemon juice with fresh baking soda. · you’ll need a slightly acidic cleaning agent to neutralize the fluid and clean up the corrosion. · in this guide, we will walk you through the causes of battery corrosion , the tools and materials you need, important safety precautions, and how to clean corroded battery to help you safely and effectively remove corrosion. When no more residue is transferred, carefully dry the contact points with a paper towel. Dip a cotton swab in the paste and rub the contact points. Wipe clean with a paper towel before inserting new batteries. Pour a little white vinegar or baking soda into a glass or plastic bowl, then dip a cotton swab in it. How do you clean a corroded battery? How do i remove battery corrosion? · don’t let a leaky battery ruin your electronic device. · cleaning steps include disconnecting the batteries, neutralizing the corrosion with baking soda or vinegar, and cleaning up with isopropyl alcohol and a microfiber cloth. How do you clean a car battery? Instead, follow these steps to clean up the mess safely and effectively. Left unchecked, corrosion can eventually cause permanent damage to the battery and reduce its lifespan, and you need to address it before it causes issues with the electrical system. Follow the step-by-step instructions and tips to prevent future corrosion and restore your batterys performance. Learn more about car battery corrosion , how to clean it, and ways to help prevent it in the first place. · learn how to use baking soda, lemon juice, and a wire brush to neutralize and remove corrosion from car battery terminals and compartments.