How To Remove Battery Acid Corrosion. Use water and baking soda. Battery corrosion in your remote control is due to hydrogen gas being released from the acid in the battery mixing with other things in the atmosphere.

All you need is an acid and a base. Remove the corroded battery. Place a dowel rod in the flashlight and on top of the corroded battery.
Surprisingly battery corrosion is a base.
Scrub with the swab or toothbrush to remove as much corrosion as possible. Protective eyewear and gloves should be worn when handling leaking batteries or attempting to remove corrosion from battery compartments. Alkaline batteries leak not acid but a chemical that registers as a base on the pH scale. Lint-free cloth optional Now its time to remove all traces of corrosion.
