What is the difference between 21700 and 18650 lithium batteries.

09-112025

Author : Battsysbattery

What is the difference between 21700 and 18650 lithium batteries.

21700 and 18650 lithium batteries differ in size, specifications, capacity, and application areas.

different sizes
18650 lithium battery has a diameter of 18mm and a length of 65mm; 21700 lithium battery has a diameter of 21mm and a length of 70mm.

Different specifications and capacities
The capacity of 18650 lithium batteries ranges from 1200mAh to 3600mAh, with a common range of 2000mAh to 3200mAh; The 21700 lithium battery has a capacity between 3000mAh and 5000mAh.

Different application fields
18650 lithium batteries are widely used in lighting fixtures, manufacturing equipment, inflation tools, electric vehicle chargers, power tools, 3C digital products, and smart homes; 21700 lithium batteries are typically used in higher demand devices and applications.

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Common application areas of 21700 and 18650 lithium batteries. ~~NEXT~~

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