Aucooma IMR18650 3000mAh (Black-red)

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Official specifications:
Aucooma%20IMR18650%203000mAh%20(Black-red)-info

This is high current and high capacity cells.

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Aucooma%20IMR18650%203000mAh%20(Black-red)-Capacity

The discharge curves tracks very well and the cell is good at handling current, but they do get very hot at 20A current.

Aucooma%20IMR18650%203000mAh%20(Black-red)-Temp-10.0

Remember this is temperature raise, to get the cell temperature somewhere between 25C and 30C must be added.

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At 20A the cells reach 85C and I stop the test.

Aucooma%20IMR18650%203000mAh%20(Black-red)-Temp-30.0

At 30A the cells reach 85C much faster, after I stopped the test my sensor reached 92C

Aucooma%20IMR18650%203000mAh%20(Black-red)-CapacityTimeHours

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Aucooma%20IMR18650%203000mAh%20(Black-red)-TripCurrent

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Conclusion

The cells has good capacity and can deliver a lot of current, but high current is best done in pulses to keep the temperature down.



Notes and links

The batteries was supplied by Aucooma for a review.

How is the test done and how to read the charts
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