Keeppower 21700 5000mAh P2150K (Black) 2019

DSC_6872

Official specifications: Keeppower%2021700%205000mAh%20P2150K%20(Black)%202019-info

This is a high capacity 21700 cell with added protection circuit.

DSC_6870 DSC_6871

DSC_6873 DSC_6874

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Keeppower%2021700%205000mAh%20P2150K%20(Black)%202019-Capacity

The discharge curves for the two cells matches very fine, the protection trips after some time with 10A load.

Keeppower%2021700%205000mAh%20P2150K%20(Black)%202019-Temp-7.0

Keeppower%2021700%205000mAh%20P2150K%20(Black)%202019-Temp-10.0

Keeppower%2021700%205000mAh%20P2150K%20(Black)%202019-CapacityTimeHours

Keeppower%2021700%205000mAh%20P2150K%20(Black)%202019-CapacityTime

Keeppower%2021700%205000mAh%20P2150K%20(Black)%202019-Energy

Keeppower%2021700%205000mAh%20P2150K%20(Black)%202019-PowerLoadTime

Keeppower%2021700%205000mAh%20P2150K%20(Black)%202019-TripCurrent

Keeppower%2021700%205000mAh%20P2150K%20(Black)%202019-Charge

Keeppower%2021700%205000mAh%20P2150K%20%28Black%29%202019-Pulse-1A-10-10-2.8V-IR


Conclusion

This is a very good quality cell with about maximum capacity for this size. The protection adds a few safeguards to the cell.



Notes and links

The batteries was supplied by Keeppower 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
Graphical comparison to 18650 and other batteries
Table with all tested LiIon batteries