Panasonic NCR18650B 3400mAh (Green)

DSC_2680

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

This is the latest cells from Panasonic with the highest capacity.
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.

DSC_2681 DSC_2682
DSC_2683
DSC_2684

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

These batteries are good at both low and higher current.

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

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

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

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

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

These are unprotected cell, i.e. the protection will not trip.

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



Conclusion

This is genuine Panasonic cells and cannot get any other rathing than very good, but remember that they are unprotected!



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