What is the size of the 18650 battery?

18650 battery size refers to the diameter of 18mm and the length of 65mm, where 0 means cylindrical battery; the capacity of 18650 battery is usually 1200mAh-3350mAh, and the common capacity is 2200mAh-2600mAh.

The operating environment of this tutorial: Windows 10 system, DELL G3 computer.

What is the size of the 18650 battery?

18650 battery size: diameter 18mm, length 65mm.

18650 The size of lithium battery is different from the size of ordinary AA battery, so it cannot be used instead on remote controls or electric toys.

18650 is the originator of lithium-ion batteries - a standard lithium-ion battery model set by the Japanese SONY company in order to save costs. 18 means the diameter is 18mm, 65 means the length is 65mm, 0 Represented as a cylindrical cell.

Common classification of 18650 batteries:

1. Lithium-ion battery: The nominal voltage of lithium-ion battery is 3.7v, and the charging cut-off voltage is 4.2v;

2. Lithium iron phosphate battery: The nominal voltage of lithium iron phosphate battery is 3.2V, and the discharge cut-off voltage is 3.6v.

18650 battery capacity:

Usually 1200mAh-3350mAh, common capacity is 2200mAh-2600mAh.

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