BattEnergy 18650 3400mAh (Black)

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Official specifications:
BattEnergy%2018650%203400mAh%20(Black)-info

The cell used can be discharged down to 2.5 volt, in my test I only discharges to 2.8 volt, i.e. I do not measure the full capacity. But then, not all lights will be able to use the full capacity.

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BattEnergy%2018650%203400mAh%20(Black)-Capacity

As usual with good cells, the discharge curves tracks very well.


BattEnergy%2018650%203400mAh%20(Black)-CapacityTimeHours

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BattEnergy%2018650%203400mAh%20(Black)-Energy

BattEnergy%2018650%203400mAh%20(Black)-PowerLoadTime

BattEnergy%2018650%203400mAh%20(Black)-TripCurrent

BattEnergy%2018650%203400mAh%20(Black)-Charge



Conclusion

This battery is using the best high capacity (for now) Panasonic cell and there was no problems in the test, i.e. it is a very good battery.



Notes and links

The batteries was supplied by Taschenlampen-Papst.de 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