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Spankum
LSU Fan
Miss-sippi
Member since Jan 2007
49291 posts

Battery Corrosion - How can I remove it?
I have had a couple of electronic items that won't work because batteries corroded in them. Is there a way to fix this?


Paul Allen
Notre Dame Fan
Montauk, NY
Member since Nov 2007
57151 posts

re: Battery Corrosion - How can I remove it?
Play-doh


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02
el Gaucho
Southern Fan
bawcomville
Member since Dec 2010
40669 posts
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re: Battery Corrosion - How can I remove it?
pour coke on them


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270
m2pro
Alabama Fan
Member since Nov 2008
23576 posts

re: Battery Corrosion - How can I remove it?
Wire brush is decent for me on some small electronics


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30
helomar84
New Orleans Pelicans Fan
Louisiana
Member since Feb 2017
172 posts

re: Battery Corrosion - How can I remove it?
Grenade launcher.


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el Gaucho
Southern Fan
bawcomville
Member since Dec 2010
40669 posts
 Online 

re: Battery Corrosion - How can I remove it?
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


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55
KurtSchrute
SMU Fan
Member since Oct 2017
231 posts

re: Battery Corrosion - How can I remove it?
Mix baking soda and water, pour over the corrosion, then rub gently with sand paper.


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40
DownSouthCrawfish
Drake Fan
Prime, Marley's, F&$^ City Bar
Member since Oct 2011
17577 posts

re: Battery Corrosion - How can I remove it?
Coke

Coca Cola not the white stuff
This post was edited on 11/20 at 10:01 pm


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30
tgrbaitn08
USA Fan
Member since Dec 2007
86354 posts

re: Battery Corrosion - How can I remove it?
Coca Cola


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11
bknight00
LSU Fan
Member since Aug 2007
196 posts

re: Battery Corrosion - How can I remove it?
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.


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60
TH03
Iowa State Fan
Dallas
Member since Dec 2008
152846 posts
 Online 

re: Battery Corrosion - How can I remove it?
Baking soda and water.


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lostinbr
LSU Fan
Baton Rouge, LA
Member since Oct 2017
896 posts
 Online 

re: Battery Corrosion - How can I remove it?
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 at 10:08 pm


atxfan
LSU Fan
Member since Jul 2004
2097 posts

re: Battery Corrosion - How can I remove it?
Old toothbrush and rubbing alcohol have always worked for me.


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Spankum
LSU Fan
Miss-sippi
Member since Jan 2007
49291 posts

re: Battery Corrosion - How can I remove it?
quote:

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.


interesting...I have never heard of this. one of the items is a calculator that doesn't really have any solids in it, but just a bunch of oily shite that came out of the batteries. can I flush out the calculator with this product?


MiloDanglers
New Orleans Pelicans Fan
on a dock on a bay
Member since Apr 2012
5805 posts

re: Battery Corrosion - How can I remove it?
Coke. The white stuff.


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00
Traveler
LSU Fan
I'm not late-I'm early for tomorrow
Member since Sep 2003
19159 posts
 Online 

re: Battery Corrosion - How can I remove it?
quote:

DeoxIT


Second recommendation. Awesome stuff.


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lostinbr
LSU Fan
Baton Rouge, LA
Member since Oct 2017
896 posts
 Online 

re: Battery Corrosion - How can I remove it?
quote:

interesting...I have never heard of this. one of the items is a calculator that doesn't really have any solids in it, but just a bunch of oily shite that came out of the batteries. can I flush out the calculator with this product?


It’s worth a shot, but no guarantee. It’s contact cleaner, so the stuff is specifically made to remove corrosion byproducts (e.g. rust or copper oxides) from electrical connections. Not sure what the oily shite you’re referring to would be.. but I’d try if I were in your shoes.

I use the D5 formulation, which is in a can with a straw nozzle like WD-40. According to the label it’s safe on plastics. I would still probably try the D100 (solvent-free, whatever that means) if you actually have to apply it ON a circuit board but I’d try the D5 first in the case of a battery compartment.

With anything like this, always test it on a non-critical piece of plastic before going ape shite just to be safe.


Spankum
LSU Fan
Miss-sippi
Member since Jan 2007
49291 posts

re: Battery Corrosion - How can I remove it?
Thanks for the info...I'll pick some up tomorrow. this will be used on a damn old calculator from my college days. at this point, I really have nothing to lose!


lostinbr
LSU Fan
Baton Rouge, LA
Member since Oct 2017
896 posts
 Online 

re: Battery Corrosion - How can I remove it?
Any time! Last time I bought it I ordered on Amazon, but I would guess it’s near the WD-40, Kroil, etc. at hardware store.


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Traveler
LSU Fan
I'm not late-I'm early for tomorrow
Member since Sep 2003
19159 posts
 Online 

re: Battery Corrosion - How can I remove it?
quote:

According to the label it’s safe on plastics

Our avionics techs use it exclusively and I have never heard them comment about adverse effects on plastics, silicone or rubber seals.


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