~ How To Know If A Normal AA Battery Is Working or Dead? ~

[MysteRy]

How To Know If A Normal AA Battery Is Working or Dead?



Admit it! Sometimes you'll find dead batteries without charge get mixed up with new ones in your cabinet's drawer.
 
Well, how will you know which one is working and which one is dead? Here's a simple way to find out!
 
The dead battery bounce! Drop them on the floor and the flat ones bounce.
 
A study by researchers from Princeton University shows that the more the battery discharges, the greater it bounce.
 
Try it!