Keeppower 14500 840mAh (Black) 2014


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Official specifications:
Keeppower%2014500%20840mAh%20(Black)%202014-info

Keeppower has two 14500 batteries in their program, this is the one from Sanyo (The other cell is from DLG and is marked 800mAh).

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DSC_4869 DSC_4870

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Keeppower%2014500%20840mAh%20(Black)%202014-Capacity

The battery is fairly constant in capacity up to nearly 2A.

Keeppower%2014500%20840mAh%20(Black)%202014-CapacityTimeHours

Keeppower%2014500%20840mAh%20(Black)%202014-CapacityTime

Keeppower%2014500%20840mAh%20(Black)%202014-Energy

Keeppower%2014500%20840mAh%20(Black)%202014-PowerLoadTime

Keeppower%2014500%20840mAh%20(Black)%202014-TripCurrent

This battery has higher protection trip current than last time I tested it.

Keeppower%2014500%20840mAh%20(Black)%202014-Charge



Conclusion

I have tested this battery once before (That time is was marked 800mAh) and got exactly the same discharge curves.
This is not very surprising with a Sanyo cell inside, this can only be a very good battery, even with the slightly high protection trip point.



Notes and links

The batteries was supplied by Keeppower 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
Comparison to other LiIon batteries