How To Test If Batteries Are Working

Why go the hassle of putting your batteries in your remote just to find out they're dead? This trick works over 80% of the time. Watch the video below to see how it's done.

Wondering how it works? This engineer has you covered.

So the next time you need to find out which of your batteries are bad, see if they bounce! Another quick trick, your smartphone camera can see infrared! Look at your remote through the phone's camera while pressing a button down on the remote. If it's working, you'll see the infrared beam!

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H/T: Barb Hite | bajarider1000

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