How to Clean Corroded Battery in Flashlight

Nancy asked: A battery is corroded in the bottom of a flashlight. How can I remove it without destroying the flashlight? This is a small, plastic flashlight that uses 2 AA batterier. I left one batter in the bottom for two years, and now it corroded. New batteries do not work in this flashlight. How can i clean out corrosion without damaging the working mechanism for the flashlight? Thanks.

Table of Contents:

  1. You need
  2. Meatures to clean out the battery and corrosion
  3. Additional tips and ideas

According to Localcollegeexplorer, corroded batteries can be a real nuisance to remove and clean up. Men when it comes to saving the flashlight, it is often worth the effort. The first step is to remove the battery while keeping it as intact as possibe. Then it is time to deal with mess on left behind. So do this:

You need:

  • Towels
  • Bottle brush
  • White vinegar
  • Dowel rod (small enough to fit in the flashlight, but as large as the diameter of the battery)
  • Hammer
  • Drill (optional)
  • Water
  • Rubber gloves (optional)
  • Piece of wood or hard surface

Steps to clean out the battery and corrosion:

  1. The first step is to take bortden corroded batteriet. On both ends of the flashlight is detachable, it becomes quite easy. In this case, just put the flashlight on a piece of wood or other hard surface.
  2. Place a dowel rod into the flashlight, and on top of the corroded battery.
  3. Press the end of the dowel rod with a hammer to knock loose battery.
  4. Remove the battery and dispose of it properly.
  5. If both ends of the torch can not be removed, it becomes slightly more difficult to remove the old battery, but it can be done. A method of using a drilling machine.
  6. Use a drill with a long piece and screw it into the end of the battery.
  7. When the bit is secure in the battery, pull out it. There may take some maneuvering, but the battery should come out with it.
  8. Next, you will need to remove corrosion from the inside of the flashlight.
  9. To accomplish this, we will use a mild acid (vinegar) to release corrosion and scrub it.
  10. Fill the flashlight with a small amount of vinegar.
  11. Use a bottle brush to scrub the inside thoroughly.
  12. if necessary, allow the vinegar to soak in the flashlight for a few minutes, but no more than five minutes total.
  13. Rinse thoroughly with clean water.
  14. Wipe it as much as possible with a soft towel and let it air dry completely before use.

Additional tips and ideas

  • Battery acid should not come in contact with your skin huden. Skydda with rubber gloves when cleaning corroded batteries.
  • Some have found Coca Cola effective in removing corroded batterier. Only pull the battery into the Coke then light until the battery falls out.
  • If the battery is not too badly corroded, it may be possible to remove it with vigorous shaking.
  • Baking soda has also proved effective in removing corroded batterier. Only pour some soda in the flashlight, shake it to distribute powder. Then press the sides lightly to release the battery and remove it.