Is The Battery Full Or Empty? Simple Test!
Many appliances require batteries and it can be really annoying when the batteries are flat. Often you need to test each battery separately to figure out which battery is recharged or not. With this awesome trick, you'll be able to know in a flash if they're flat or not. And you'll always have a recharged battery when you need it.
Many little tricks like this really make life simple. Batteries probably aren't the most important thing in life, but many people have this problem and this solution is sure to help. Share this idea to simplify your life!