Amazingly Simple Way To Test If a Battery Is Dead

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I remember using my tongue to test if a battery is dead or not. Now we can even skip the battery tester kit and use a quick, simple way ..

After dropping out of a small amount of battery charged state vertically, and discharged overturn. This is because the alkaline battery discharge forms in the middle of the gas, which causes the “jumping” the battery after a fall.

Please share with your family and friends if you learnt from this.

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