Sibeile IMR18650 2000mAh ft (Black) 2014

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Official specifications:
Sibeile%20IMR18650%202000mAh%20ft%20(Black)%202014-info

These batteries are supposed use the same cell as the button top, but they do not. This cell has more capacity.

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Sibeile%20IMR18650%202000mAh%20ft%20(Black)%202014-Capacity

There is good matching between the two cells and the capacity is fairly stable with load.
Sorry about the missing 0.2A trace, I made a mistake in the test setup. Because all the other tracks has a good match, I see no reason to make the missing trace.

Sibeile%20IMR18650%202000mAh%20ft%20(Black)%202014-CapacityTimeHours

Sibeile%20IMR18650%202000mAh%20ft%20(Black)%202014-CapacityTime

Sibeile%20IMR18650%202000mAh%20ft%20(Black)%202014-Energy

Sibeile%20IMR18650%202000mAh%20ft%20(Black)%202014-PowerLoadTime

Sibeile%20IMR18650%202000mAh%20ft%20(Black)%202014-TripCurrent

Sibeile%20IMR18650%202000mAh%20ft%20(Black)%202014-Charge



Conclusion

They have a good performance, but cannot match some moderen high current cells.
I will rate them as acceptable.


Notes and links

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