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How do you clean a battery?

Updated: 10/22/2022
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Wiki User

14y ago

Best Answer

For corrosion problems:

  1. Combine baking soda (2-3 Tbsp.) and a little water to make a paste.
  2. Apply to battery connections and watch it work. Heavy deposits need scraping.
  3. Rinse off with clean water but be careful not to let the baking soda get into the battery's electrolyte (acid) through the vent holes. It will neutralize it and battery life will suffer. Most batteries are sealed up pretty good though.
  4. Wire brush the terminals till they are shiny for best results.
  5. Petroleum jelly (vaseline) applied on clean terminals will keep them from reacting with the air and corroding again.
  6. I have had bad luck with the side terminal type. Top terminals are the way to go.
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14y ago
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Q: How do you clean a battery?
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