How To Clean Battery Acid From A Flashlight. After putting the solution leave the flashlight there for a while so the chemical reaction neutralizes corrosion. How to save your Maglite from the Trash.
The acidic vinegar helps to counteract the basic compound potassium hydroxide. You will have to use a mixture of baking soda and water. If both ends of the flashlight are removable this will be quite easy.
If the battery does not budge you can employ an electric drill to make a hole into the battery end and remove it by rocking it back and forth.
If the corrosion is more extensive you can soak the flashlight in the vinegar for several minutes. Remove the headpiece of the flashlight. Make sure that the tip of the screw touches the corroded battery in the. Shake the battery holder.
