AW 18650 2900mAh (Black)

I bougt this battery year ago, i.e. it has probably slightly reduced capacity due to age.

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Official specifications:
AW%2018650%202900mAh%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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These batteries are real flattop batteries, i.e. the plus pole might not connect when pressed against a flat surface. This will usual prevent the batteries from being used in series (because the minus pole is a flat surface on most batteries), but because the minus pole on these batteries has 3 bumps, they work fine in series applications.

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AW%2018650%202900mAh%20(Black)-Capacity

AW%2018650%202900mAh%20(Black)-CapacityTimeHours

AW%2018650%202900mAh%20(Black)-CapacityTime

AW%2018650%202900mAh%20(Black)-Energy

AW%2018650%202900mAh%20(Black)-PowerLoadTime

AW%2018650%202900mAh%20(Black)-TripCurrent

AW%2018650%202900mAh%20(Black)-Charge



Conclusion

This battery uses a good cell, this secures many things:
The battery is one of the shorter 18650 batteries, but it is a flat top battery. The first can be an advantage, the last can be a disadvantage, depending on equipment.
All in all 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