Panasonic NCR18650B Protected 3400mAh (Green)

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Official specifications:
The above specifications is from the dealers website and there is a few errors in it!

Panasonic%20NCR18650B%20Protected%203400mAh%20(Green)-info

This battery is not made by Panasonic. The cell inside the battery is from Panasonic, the protection cirucit and the assembly work is done by somebody else.
Notice the length of the battery, it is the longest 18650 I have seen to date.

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

The capacity looks very good as expected for a Panasonic 3400 mAh battery.

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

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

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

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

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

The protection at 6.5A makes it very difficult to overload these batteries, but is high enough for any normal use.

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Conclusion

This is a very good battery, except for the length. Only buy it if you know you equipment can use a very long battery!



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