King Kong ICR26650 4200mAh (Gold)

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Official specifications: King%20Kong%20ICR26650%204200mAh%20(Gold)-info

This battery is a unprotected 26650 battery, it does surpass the capacity specification.

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King%20Kong%20ICR26650%204200mAh%20(Gold)-Capacity

The cells does not track perfectly, it looks like it is a resistance difference and not a capacity difference.

King%20Kong%20ICR26650%204200mAh%20(Gold)-CapacityTimeHours

King%20Kong%20ICR26650%204200mAh%20(Gold)-CapacityTime

King%20Kong%20ICR26650%204200mAh%20(Gold)-Energy

King%20Kong%20ICR26650%204200mAh%20(Gold)-PowerLoadTime

King%20Kong%20ICR26650%204200mAh%20(Gold)-TripCurrent

These cells does easly deliver 15A

King%20Kong%20ICR26650%204200mAh%20(Gold)-Charge1-sep-2013 19:23



Conclusion

The capacity has been increased compared to the 4000mA (As expected), but not with 200mAh (The 4000mAh did also have more capacity than rated).
The cell has a good performance, but they have a slightly different voltage when loaded.
I will rate this battery as acceptable.



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