Test/review of Keeppower INR21700 3000mAh NM2130 (Black) 2019

HKJ

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[size=+3]Keeppower INR21700 3000mAh NM2130 (Black) 2019[/size]

DSC_6878.jpg


Official specifications:
  • Capacity min.: 2900mAh
  • Capacity typ.: 3000mAh
  • Nominal voltage: 3.70V
  • Charge voltage: 4.20+/-0.05V
  • Standard discharge cut-off voltage: 2.50V
  • Standard charge current: 1500mA
  • Charge termination current: 150mA
  • Max. continuous discharge current: 35A

Keeppower%20INR21700%203000mAh%20NM2130%20(Black)%202019-info.png


This is a high current 21700 battery with fairly low capacity for its size.

DSC_6877.jpg


DSC_6879.jpg
DSC_6880.jpg


DSC_6881.jpg

DSC_6882.jpg


Keeppower%20INR21700%203000mAh%20NM2130%20(Black)%202019-Capacity.png


This discharge curves matches very fine and capacity is basically the same at any current.

Keeppower%20INR21700%203000mAh%20NM2130%20(Black)%202019-Temp-20.0.png


Keeppower%20INR21700%203000mAh%20NM2130%20(Black)%202019-Temp-30.0.png


Keeppower%20INR21700%203000mAh%20NM2130%20(Black)%202019-CapacityTimeHours.png


Keeppower%20INR21700%203000mAh%20NM2130%20(Black)%202019-CapacityTime.png


Keeppower%20INR21700%203000mAh%20NM2130%20(Black)%202019-Energy.png


Keeppower%20INR21700%203000mAh%20NM2130%20(Black)%202019-PowerLoadTime.png


Keeppower%20INR21700%203000mAh%20NM2130%20(Black)%202019-TripCurrent.png


Keeppower%20INR21700%203000mAh%20NM2130%20(Black)%202019-Charge.png


Keeppower%20INR21700%203000mAh%20NM2130%20%28Black%29%202019-Pulse-1A-10-10-2.5V-IR.png




[size=+3]Conclusion[/size]

This is good battery when needing high current.



[size=+3]Notes and links[/size]

The battery 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
 
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