UltraFire TR18500 1600mAh (Blue)

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Official specifications:
UltraFire%20TR18500%201600mAh%20(Blue)-info

A 18500 form Ultrafire.

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UltraFire%20TR18500%201600mAh%20(Blue)-Capacity

This is not good discharge curves, one cell is about 750mA and can handle up to 3A, the other cell is 500mAh and can handle up to 1A

UltraFire%20TR18500%201600mAh%20(Blue)-Temp-1.0

UltraFire%20TR18500%201600mAh%20(Blue)-Temp-5.0

UltraFire%20TR18500%201600mAh%20(Blue)-CapacityTimeHours

UltraFire%20TR18500%201600mAh%20(Blue)-CapacityTime

UltraFire%20TR18500%201600mAh%20(Blue)-Energy

UltraFire%20TR18500%201600mAh%20(Blue)-PowerLoadTime

UltraFire%20TR18500%201600mAh%20(Blue)-TripCurrent

UltraFire%20TR18500%201600mAh%20(Blue)-Charge



Conclusion

The Ultrafire brand is not the highest quality, this time I got a bad cell and a very bad cell.

My rating is bad cell, stay away from them.



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
Compare to 18650 and other batteries