Subscribe to SlowMoLaboratory Subscribe to my 2nd channel \r<br>\r<br>Simply put the easiest way to test any battery. AA battery. AAA battery. This hack takes the guesswork out of how to test batteries. Its cheap, easy and genius.\r<br>\r<br>Here is a simple and amazing way to test any alkaline battery without tools! Works in seconds! Try it! Looks like bajarider1000 did this before me so thanks for .\r<br>\r<br>Can a AA battery and strips of a chewing gum wrapper create an emergency source of fire? Lets find out.
