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How to clean corroded battery terminals in toys

Updated February 21, 2017

Batteries can burst and corrode the terminals in electronic items and toys when they haven't been in use for long periods of time. The caustic material inside the batteries can interfere with the ability to operate the toys, but with the right method, you can remove corrosion from the battery terminals and restore the toy's function. Remove the batteries from toys that won't be in use for long periods of time to prevent battery corrosion.

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  1. Mix 2 tbsp of baking soda in a bowl with enough water to make a paste. Stir the mixture with a spoon.

  2. Remove the batteries from the terminal carefully while wearing a pair of gloves to protect your fingers from the caustic material.

  3. Dip a cotton swab into the baking soda paste, and apply it to the terminals with the swab. Use a clean cotton swab and more paste as needed. Allow the paste to sit for five minutes.

  4. Wipe the terminals with a damp cloth to remove any baking soda residue. Dry them with a clean cloth.

  5. Allow the battery terminal to air dry completely before replacing the batteries.

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Things You'll Need

  • Baking soda
  • Bowl
  • Spoon
  • Gloves
  • Cotton swabs
  • Cloths

About the Author

Shelley Marie has been writing professionally since 2008 for online marketing and informational websites. Her areas of expertise include home, garden and health. She holds a Bachelor of Science in business administration and an associate degree in medical billing and insurance coding, both from Herzing University.

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