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Battery Corrosion - How can I remove it?

Posted on 11/20/17 at 9:54 pm
Posted by Spankum
Miss-sippi
Member since Jan 2007
56114 posts
Posted on 11/20/17 at 9:54 pm
I have had a couple of electronic items that won't work because batteries corroded in them. Is there a way to fix this?
Posted by Paul Allen
Montauk, NY
Member since Nov 2007
75277 posts
Posted on 11/20/17 at 9:54 pm to
Play-doh
Posted by el Gaucho
He/They
Member since Dec 2010
53122 posts
Posted on 11/20/17 at 9:55 pm to
pour coke on them
Posted by m2pro
Member since Nov 2008
28639 posts
Posted on 11/20/17 at 9:56 pm to
Wire brush is decent for me on some small electronics
Posted by helomar84
Louisiana
Member since Feb 2017
172 posts
Posted on 11/20/17 at 9:57 pm to
Grenade launcher.
Posted by el Gaucho
He/They
Member since Dec 2010
53122 posts
Posted on 11/20/17 at 9:57 pm to
ETA: the coke thing always seemed impractical to me

If you take a metal object like a key or pocket knife and connect the two poles it will usually burn the corrosion right off
Posted by KurtSchrute
Member since Oct 2017
820 posts
Posted on 11/20/17 at 9:59 pm to
Mix baking soda and water, pour over the corrosion, then rub gently with sand paper.
Posted by DownSouthCrawfish
Simcoe Strip - He/Him/Helicopter
Member since Oct 2011
36499 posts
Posted on 11/20/17 at 10:00 pm to
Coke

Coca Cola not the white stuff
This post was edited on 11/20/17 at 10:01 pm
Posted by tgrbaitn08
Member since Dec 2007
146214 posts
Posted on 11/20/17 at 10:01 pm to
Coca Cola
Posted by bknight00
Member since Aug 2007
447 posts
Posted on 11/20/17 at 10:02 pm to
Real answer. Put some baking soda in a cup, add a little water, enough to make it like paste, then use a brush to apply. Eats away the corrosion.
Posted by TH03
Mogadishu
Member since Dec 2008
171080 posts
Posted on 11/20/17 at 10:03 pm to
Baking soda and water.
Posted by lostinbr
Baton Rouge, LA
Member since Oct 2017
9581 posts
Posted on 11/20/17 at 10:05 pm to
Don’t use coke. The idea is that the carbonic acid removes the oxides, but soda water accomplishes the same thing without making your shite all sticky.

Alternatively, pick up a can of DeoxIT contact cleaner at the hardware store. Use the D5 formulation on anything that’s just metal and the D100 formulation if it’s going anywhere near a PCB board.

ETA: Soda water is way easier than making paste with baking soda. Problem is, it gets your shite all wet.

Seriously, get a can of DeoxIT. That stuff kicks arse and is very handy to have around when you need it.
This post was edited on 11/20/17 at 10:08 pm
Posted by atxfan
Member since Jul 2004
3551 posts
Posted on 11/20/17 at 10:10 pm to
Old toothbrush and rubbing alcohol have always worked for me.
Posted by MiloDanglers
on a dock on a bay
Member since Apr 2012
6546 posts
Posted on 11/20/17 at 10:13 pm to
Coke. The white stuff.
Posted by soccerfüt
Location: A Series of Tubes
Member since May 2013
65924 posts
Posted on 11/21/17 at 5:03 am to
Rub some dirt on it.

Sheesh.
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