21700 Vs 18650 Battery Life | KET
The battery life of 21700 and 18650 batteries depends on several factors, including the capacity of the battery, the discharge rate, and the specific device or application they are being used in.

Generally, 21700 batteries have a higher capacity compared to 18650 batteries, which means they can last longer between charges. The typical capacity of a 21700 battery is around 4000mAh, while the typical capacity of an 18650 battery is around 2600mAh. This higher capacity can result in a longer battery life for devices that use 21700 batteries.
However, the discharge rate of the battery can also affect battery life. A higher discharge rate can result in shorter battery life, as more power is being drawn from the battery more quickly. Additionally, the specific device or application can also affect battery life, as some devices may be more power-hungry than others.
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