How Do You Remove Corroded Batteries From A Flashlight. If really stuck and corroded you may have to heat the flashlight casing up with a hair dryerheat gun to aid in removal of batteries. The vinegar will neutralize the alkaline residue.
How to disassemble your Maglite. Soak the battery in the liquid and tap lightly. Remove the corroded battery.
Place a dowel rod in the flashlight and on top of the corroded battery.
This is how to clean the blue-green-white corrosion from battery contacts caused by alkaline batteries. First set up a safe place to do the job. If you cannot remove the batteries the damage is most likely too extensive to repair. Soak the battery in the liquid and tap lightly.
