AW 18650 2600mAh (Black)

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Official specifications:
AW%2018650%202600mAh%20(Black)-info

As usual 2600mAh batteries are more like 2400mAh.

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This battery has a flat top, but has some bumps on the bottom, to secure connection when used in series.

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AW%2018650%202600mAh%20(Black)-Capacity

This battery has a high voltage at low loads.

AW%2018650%202600mAh%20(Black)-CapacityTimeHours

AW%2018650%202600mAh%20(Black)-CapacityTime

AW%2018650%202600mAh%20(Black)-Energy

AW%2018650%202600mAh%20(Black)-PowerLoadTime

AW%2018650%202600mAh%20(Black)-TripCurrent

The protection is a bit high.

AW%2018650%202600mAh%20(Black)-Charge



Conclusion

The high voltage can be an advantage in smaller (i.e. 3-4 watt) lights where the battery replaces two CR123 cells.
It is a very good battery.



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