Efest IMR18500 1000mAh (Purple) 2017

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Official specifications:
Efest%20IMR18500%201000mAh%20(Purple)%202017-info

A high current 18500 cell.

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Efest%20IMR18500%201000mAh%20(Purple)%202017-Capacity

This is very nice discharge curves with good tracking and the cell can deliver 15A.

Efest%20IMR18500%201000mAh%20(Purple)%202017-Temp-7.0

Efest%20IMR18500%201000mAh%20(Purple)%202017-Temp-10.0

Efest%20IMR18500%201000mAh%20(Purple)%202017-Temp-15.0

Efest%20IMR18500%201000mAh%20(Purple)%202017-CapacityTimeHours

Efest%20IMR18500%201000mAh%20(Purple)%202017-CapacityTime

Efest%20IMR18500%201000mAh%20(Purple)%202017-Energy

Efest%20IMR18500%201000mAh%20(Purple)%202017-PowerLoadTime

Efest%20IMR18500%201000mAh%20(Purple)%202017-TripCurrent

Efest%20IMR18500%201000mAh%20(Purple)%202017-Charge

I did mostly run the cell empty during this test, it can deliver a lot of current, but not for long.



Conclusion

Good high current performance, capacity as expected in a high current cell.
This is a good cell.



Notes and links

The batteries was supplied by Efest 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