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  • Briana Martinez

Understanding Car Battery Corrosion and Techniques

Updated: Jun 28, 2023

Today, we delve into car battery corrosion, shedding light on why it occurs and sharing practical tips to prevent it. Understanding this common issue will help you maintain a reliable and long-lasting battery, ensuring smooth journeys on the road ahead. So, let's uncover the mysteries behind battery corrosion and equip ourselves with the knowledge to keep it at bay.

Car battery with corrosion

Why Does a Car Battery Corrode?

Car battery corrosion occurs due to a chemical reaction between sulfuric acid, a vital component of the battery, and the lead plates inside. As this reaction occurs, hydrogen gas is produced, which combines with oxygen from the air to create corrosion. This unsightly substance often appears as a white, blue, or greenish deposit on the battery terminals and surrounding areas. If left untreated, decay can impede the flow of electricity and lead to performance issues or even battery failure.


Preventing Battery Corrosion

Now that we understand the root cause of battery corrosion, let's explore effective prevention techniques to keep your battery in optimal condition. Implementing these practices will not only extend the lifespan of your battery but also enhance its performance, saving you from unexpected breakdowns and costly repairs.

  • Regular Inspection and Cleaning: Schedule periodic inspections of your battery terminals and cables. If you notice any signs of corrosion, it's time for a thorough cleaning. Disconnect the battery terminals, clean them using a mixture of baking soda and water, and gently scrub away the corrosion using a wire brush. Rinse with water and ensure the terminals are dry before reconnecting.

  • Terminal Protection: After cleaning, apply a thin layer of petroleum jelly or battery terminal protectant spray to the terminals. This protective coating acts as a barrier, preventing the formation of corrosion.

  • Maintain a Clean Environment: Keep the battery and surrounding area clean and free from dirt, debris, and excessive moisture. This helps minimize the chances of corrosion buildup.

  • Secure Connections: Ensure the battery terminals are tightly secured to prevent any movement or vibration that can loosen connections and lead to corrosion.

  • Consider Anti-Corrosion Devices: Invest in commercially available anti-corrosion washers or pads specifically designed to reduce corrosion on battery terminals. These products typically contain compounds that neutralize acidic vapors and protect the terminals.

Close up of battery corrosion

Car battery corrosion is a common issue that can negatively impact your vehicle's performance. By understanding the causes and implementing preventive measures, you can significantly reduce the chances of corrosion and enjoy a reliable battery system. Remember to inspect and clean your battery regularly, protect the terminals, maintain cleanliness, secure connections, and consider anti-corrosion devices. With these simple steps, you'll zap the zest out of battery corrosion, ensuring a smooth and uninterrupted ride on the open road.


Call Us Today

Reach out to our friendly team today to schedule an appointment or to learn more about our battery services. Drive with confidence, knowing that Seymour's Garage has got your back, and enjoy the open road without worrying about battery corrosion slowing you down!


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