AmpMax 18650 2900mAh (Black)

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Official specifications:
AmpMax%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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AmpMax%2018650%202900mAh%20(Black)-Capacity

Slightly less capacity than a 3100mAh battery and the battery has a slightly lower price.

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

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

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

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

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

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



Conclusion

This battery uses a good cell, this secures many things:
All in all a very good battery.



Notes and links

The batteries was supplied by AmpMax/AmpMaxWorld 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