Easiest Way to Know Fake 18650 Batteries

Batteries of large amount of power banks, laptops and other electronic devices are consist of 18650 batteries, and we have easy access to get them on market. However, fake 18650 batteries also circulate in the market.


A fake 18650 battery may cause serious accident such as explosion or fire. The video below shows an easiest way to know if the 18650 battery you buy is fake.

An average genuine 18650 batteries will weigh about 45g and no nothing less than 42g. You can see I have 2 fake 18650 batteries in the pic weigh 32-33g only and the genuine 18650 battery weight 43-45g. Some genuine 18650 battery can weigh more than 50g. Good brands will tell you the weight of the battery.



Why fake 18650 battery weigh less?

That is because inside is a smaller battery with step up circuit which wrap in layers of paper and stuffed inside a 18650 battery size case then heat shrink in a tight plastic label sheet to make it look real.

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