King Kong ICR26650 4000mAh (Gold)
/DSC_0463.jpg)
Official specifications:
- Volt:3.7v
- Capacity: 4000mAh
- Size: 26mmx66mm.
- Charge current: <=1a?
- Weight: 95 g
/King%20Kong%20ICR26650%204000mAh%20(Gold)-info.png)
The capacity is well above the marked value.
/DSC_0464.jpg)
/DSC_0465.jpg)
/DSC_0466.jpg)
/DSC_0467.jpg)
/King%20Kong%20ICR26650%204000mAh%20(Gold)-Capacity.png)
The two cells has the same capacity, but the voltage is not the same at higher loads.
/King%20Kong%20ICR26650%204000mAh%20(Gold)-CapacityTimeHours.png)
/King%20Kong%20ICR26650%204000mAh%20(Gold)-CapacityTime.png)
/King%20Kong%20ICR26650%204000mAh%20(Gold)-Energy.png)
/King%20Kong%20ICR26650%204000mAh%20(Gold)-PowerLoadTime.png)
/King%20Kong%20ICR26650%204000mAh%20(Gold)-TripCurrent.png)
/King%20Kong%20ICR26650%204000mAh%20(Gold)-Charge.png)
Conclusion
The cells has a good performance, but they has 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