Does anyone have tips for getting corroded batteries out of flashlights?

I imagine a lot of flashlight enthusiasts have death with this. I've found it's less an issue with D cell batteries and more AA and AAA.

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Not sure if the flashlight in questions finish but I’ve had good luck getting gunked up stuff loose with acetone.
- As in residue or entire batteries? Because the latter is where I am at
  
  I’m saying if the light is powder coated finish acetone will take that finish off. I’m which you may not want to try it. Someone correct me if I’m wrong but If it’s titanium, copper or brass Id give it a go.

12 comments