Efan IMR18650 2100mAh (Purple)

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Official specifications:
Efan%20IMR18650%202100mAh%20(Purple)-info

A high current 18650 cell with a good capacity.

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Efan%20IMR18650%202100mAh%20(Purple)-Capacity

The tracking looks good between the two cell and the capacity only drops slowly with high current load. The voltage drop at 30A looks high, but the cell handles it.

Efan%20IMR18650%202100mAh%20(Purple)-CapacityTimeHours

Efan%20IMR18650%202100mAh%20(Purple)-CapacityTime

Efan%20IMR18650%202100mAh%20(Purple)-Energy

Efan%20IMR18650%202100mAh%20(Purple)-PowerLoadTime

Efan%20IMR18650%202100mAh%20(Purple)-TripCurrent

Efan%20IMR18650%202100mAh%20(Purple)-Charge



Conclusion

The cell has good high current performance and decent capacity.



Notes and links

The batteries was supplied by Efan for review.

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