Efan IMR18650 2500mAh (Purple)

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Official specifications:
Efan%20IMR18650%202500mAh%20(Purple)-info

This is a very high current battery, but the 35A rating might be a bit optimistic.

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Efan%20IMR18650%202500mAh%20(Purple)-Capacity

These curves shows a very good battery, there is a good tracking between the batteries and not much capacity drop from 0.2A to 20A.

Efan%20IMR18650%202500mAh%20(Purple)-CapacityTimeHours

Efan%20IMR18650%202500mAh%20(Purple)-CapacityTime

Efan%20IMR18650%202500mAh%20(Purple)-Energy

Efan%20IMR18650%202500mAh%20(Purple)-PowerLoadTime

Efan%20IMR18650%202500mAh%20(Purple)-TripCurrent

Efan%20IMR18650%202500mAh%20(Purple)-Charge



Conclusion

This cell has very good high current performance.



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