Battery corrosion occurs when old alkaline batteries leak acid inside their case, and since many electronic devices don't require regular battery replacements (we're looking at you, remote controls).

Q: My 2020 Toyota Sienna has a significant amount of corrosion on ... glass mat (AGM) battery, the kind that cost more than ...

Heavy corrosion. If the car battery’s metal surfaces are heavily ... Each cell should contain an electrolyte solution, also called battery acid. Electrolyte solution contains sulfuric acid and is ...

Q: My 2020 Toyota Sienna has a significant amount of corrosion on the positive battery post and absolutely nothing on the negative post. What causes this and is it problematic? Can it be stopped?

Q: My 2020 Toyota Sienna has a significant amount of corrosion on the positive battery post and absolutely nothing on the negative post. What causes this and is it problematic? Can it be stopped?