How do you remove disposable battery (AA,C,D) corrision from contact terminals?


Question:

Answers:
Baking soda and a little water. Takes it right off.

Boiling water
yeah dont do that anymore
Try in this order:

1. pencil eraser
2. sandpaper
3. metal file
try a little steel wool
Baking soda. scrape off first then baking soda

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