Mind blown. How to test a battery.

Scientists-types have probably known this for years, but for the rest of us idiots on the internet this is one of mankind’s greatest discoveries. YouTube user bajarider1000Β has posted a video showing a ridiculously simple way to test any alkaline battery. Β In true internet fashion, some of the 1000+ comments (at last check) are disputing the claim. Β Watch for yourself.

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