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Dewalt NiCad batteries

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Forum topic by MrRon posted 449 days ago 497 views 0 times favorited 2 replies Add to Favorites Watch
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MrRon

2393 posts in 1743 days


449 days ago

I have 18V Dewalt batteries with one contact that is corroded. The contact inside the drill is also corroded. I’ve tried scraping the corrosion off, but it is difficult to get a clean contact. When they are clean, they charge up fine, but when the contact gets corroded, the drill runs sporadically until it’s cleaned again. Does anyone have this problem and what do you do about it.


2 replies so far

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Loren

6746 posts in 2147 days


#1 posted 449 days ago

Glue bits of 400 grit wet-dry paper to something like a
popsickle stick. You can sand the hard to reach contacts
that way. You can also square the end of the stick
and cut thin strips of sandpaper and hold them in place
on the stick, moving the strip as the different sections
of the abrasive wear down.

Pencil erasers also work.

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Belg1960

733 posts in 1565 days


#2 posted 448 days ago

Ron depending on how bad the corrosion is, there is an electric contact cleaning spray on the market. If it is really bad I would try a plastic gun cleaning brush, I say plastic as if there was any charge left in the battery you could arc (ever so small) across the two terminals.

-- ***Pat*** Rookie woodworker looking for an education!!!

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