Efest IMR26650 5000mAh (Purple) 2017

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Official specifications:
Efest%20IMR26650%205000mAh%20(Purple)%202017-info

A high current 26650 cell with good capacity.

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Efest%20IMR26650%205000mAh%20(Purple)%202017-Capacity

There is some capacity difference between the cells. They handle up to about 20A without much capacity loss.

Efest%20IMR26650%205000mAh%20(Purple)%202017-Temp-15.0

Efest%20IMR26650%205000mAh%20(Purple)%202017-Temp-20.0

At 20A they get hot.

Efest%20IMR26650%205000mAh%20(Purple)%202017-Temp-30.0

And at 30A I had to termiate the discharge due to temperature.

Efest%20IMR26650%205000mAh%20(Purple)%202017-CapacityTimeHours

Efest%20IMR26650%205000mAh%20(Purple)%202017-CapacityTime

Efest%20IMR26650%205000mAh%20(Purple)%202017-Energy

Efest%20IMR26650%205000mAh%20(Purple)%202017-PowerLoadTime

Efest%20IMR26650%205000mAh%20(Purple)%202017-TripCurrent

Efest%20IMR26650%205000mAh%20(Purple)%202017-Charge



Conclusion

This cell has good performance at higher currents and a fairly high capacity.



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
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Compare to 18650 and other batteries