Panasonic NCR18500A 2040mAh (Green)

DSC_8539

Official specifications:
Panasonic%20NCR18500A%202040mAh%20(Green)-info

18500 batteries from Panasonic.

DSC_8538

DSC_8540 DSC_8541

DSC_8542
DSC_8543
DSC_8544

Panasonic%20NCR18500A%202040mAh%20(Green)-Capacity

Discharge curves has very good tracking.
Note: First cell was only tested up to 5A

Panasonic%20NCR18500A%202040mAh%20(Green)-Temp-5.0

Panasonic%20NCR18500A%202040mAh%20(Green)-Temp-7.0

Panasonic%20NCR18500A%202040mAh%20(Green)-Temp-10.0

Panasonic%20NCR18500A%202040mAh%20(Green)-CapacityTimeHours

Panasonic%20NCR18500A%202040mAh%20(Green)-CapacityTime

Panasonic%20NCR18500A%202040mAh%20(Green)-Energy

Panasonic%20NCR18500A%202040mAh%20(Green)-PowerLoadTime

Panasonic%20NCR18500A%202040mAh%20(Green)-TripCurrent

Panasonic%20NCR18500A%202040mAh%20(Green)-Charge



Conclusion

This looks like a good high capacity 18500 battery. It can deliver some current, but it is not a high current batterg



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
Compare to 18650 and other batteries