Efest IMR14650 950mAh (Red)

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Official specifications:
Efest%20IMR14650%20950mAh%20(Red)-info

These batteries is a bit special in size, diameter is like AA batteries, but length is 65 mm. They do show higher capacity than rated.

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Efest%20IMR14650%20950mAh%20(Red)-Capacity

Due to the size, this battery has more capacity than any other of the "small" batteries I have tested, but it is significantly below a 18650 battery (The extra 4 mm in diameter gives 2 to 3 times the capacity).
The batteries works fine up to 3A.

Efest%20IMR14650%20950mAh%20(Red)-CapacityTimeHours

Efest%20IMR14650%20950mAh%20(Red)-CapacityTime

Efest%20IMR14650%20950mAh%20(Red)-Energy

Efest%20IMR14650%20950mAh%20(Red)-PowerLoadTime

Efest%20IMR14650%20950mAh%20(Red)-TripCurrent

Efest%20IMR14650%20950mAh%20(Red)-Charge



Conclusion

The battery has an acceptable performance.



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
Comparison to other LiIon batteries