This Is How You Find Out Whether A Battery Is Full Or Empty With Just One Look. Wonders Of Technology!

#1

Many appliances require batteries and it can be really annoying when the batteries are out of juice.

#2

Often you need to test each battery separately to figure out which battery is charged or not.

With this awesome trick you'll be able to know in a flash if they're empty or not. And you'll always have a charged battery when you need it.

#3

To check just try dropping them on a hard surface and see if they bounce.

A used battery bounces far higher than one that has only just been taken out of the packet.

This is because spent alkaline batteries are more likely to bounce than fresh ones, according to an American electrical engineer whose video demonstrating the phenomenon is becoming an internet sensation.

#4 Watch This simple method to test any alkaline battery in seconds! Works on AA, AAA, C, D batteries