In 2 seconds, this simple trick will tell you if your batteries are dead or not

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Ever have a battery die on your remote control, mouse, or calculator, but not know 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.

Fortunately for you, there’s a very simple trick to tell if batteries are dead. Just watch the clip below.

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