GTF NCR18650B 3400mAh (Green)

DSC_6804

Official specifications: GTF%20NCR18650B%203400mAh%20(Green)-info

This 18650 battery uses a type number and wrap color for a Panasonic 18650 3400mAh battery.

DSC_6803

DSC_6805 DSC_6806

DSC_6807
DSC_6808
DSC_6809

GTF%20NCR18650B%203400mAh%20(Green)-Capacity

The two cells do not have the same capacity, it is not that surprising when the specifications says 3100-3400mAh. The can deliver 5 to 7A

GTF%20NCR18650B%203400mAh%20(Green)-Temp-5.0

GTF%20NCR18650B%203400mAh%20(Green)-Temp-7.0

GTF%20NCR18650B%203400mAh%20(Green)-Temp-10.0


GTF%20NCR18650B%203400mAh%20(Green)-CapacityTimeHours

GTF%20NCR18650B%203400mAh%20(Green)-CapacityTime

GTF%20NCR18650B%203400mAh%20(Green)-Energy

GTF%20NCR18650B%203400mAh%20(Green)-PowerLoadTime

GTF%20NCR18650B%203400mAh%20(Green)-TripCurrent

GTF%20NCR18650B%203400mAh%20(Green)-Charge

GTF%20NCR18650B%203400mAh%20%28Green%29-Pulse-1A-10-10-2.5V-IR



Conclusion

The cells are not bad cells, but due to the mismatch I will not recommend using them in series.



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
Graphical comparison to 18650 and other batteries
Table with all tested LiIon batteries