I’m sure you all must have experienced a battery die on either your remote control, mouse or calculator. But it’s always hard to figure out which battery is out.
You could go to your closet and grab a tool to help you measure the capacity left in each battery, but that would be a lot of walking.
If you’re just looking to relax on the couch or at your computer, then you definitely don’t want to get up and move around.
We’re going to show you a very simple trick to tell if batteries are dead.
Watch the video below: