UltraFire TR10440 600mAh (Blue)

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Official specifications:

UltraFire%20TR10440%20600mAh%20(Blue)-info

As often is the case with cheap batteries it is specified with too high capacity.

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UltraFire%20TR10440%20600mAh%20(Blue)-Capacity

The cell cannot handle more than 0.5A load, but works fine below that.
The cells track nicely.

UltraFire%20TR10440%20600mAh%20(Blue)-CapacityTimeHours

UltraFire%20TR10440%20600mAh%20(Blue)-CapacityTime

UltraFire%20TR10440%20600mAh%20(Blue)-Energy

UltraFire%20TR10440%20600mAh%20(Blue)-PowerLoadTime

UltraFire%20TR10440%20600mAh%20(Blue)-TripCurrent

UltraFire%20TR10440%20600mAh%20(Blue)-Charge



Conclusion

The cell only has half the rated capacity and works fine at low current.



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