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Do 21700 Batteries Last Longer Than 18650 Cells
Battery storage

Do 21700 Batteries Last Longer Than 18650 Cells?

The 21700 is larger and has a higher energy density and the 18650 cell is smaller and more widely available. The 21700 higher energy density gives it a longer run time of the two. The choice you use depends on your build's needs, with the 21700 providing more power and the 18650 is a more compact option.

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