Efest 18650 2600mAh ft (Black)

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Official specifications:
Efest%2018650%202600mAh%20ft%20(Black)-info

This is a unprotected 2600mAh cell with a Efest wrapper on.

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Efest%2018650%202600mAh%20ft%20(Black)-Capacity

The cells does track very nicely.

Efest%2018650%202600mAh%20ft%20(Black)-CapacityTimeHours

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15A is way to much for these cells, but they do handle it without any problems.

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Conclusion

These batteries works as expected.
At the current time I can only rate them acceptable, because Efest is a new company, and the batteries is not from one of the big brands.



Notes and links

The batteries was supplied by Efest for review.

How is the test done and how to read the charts
How is a protected LiIon battery constructed
More about button top and flat top batteries