Do you know the meaning of 18650 numbers in battery?

Today there are many companies that manufacture a wide range of cell phone batteries with labels as numbers. For example, they are 14500, 16850, 12703. What is the meaning of that number? The following is a 18650 battery reviews, and this article will help you answer the above questions.

the Best 18650 Vape Battery2

Have you ever heard of 18650 battery, 14500 battery, etc. So these numbers have meaning and rule?

The answer is yes.
– The first two digits (18, 14) are the diameter of the Li-Ion battery in millimeters
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