Test/review of Keeppower 18650 3600mAh P1836J (Black) 2019

HKJ

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[size=+3]Keeppower 18650 3600mAh P1836J (Black) 2019[/size]

DSC_6884.jpg


Official specifications:
  • Capacity min.: 3450mAh
  • Capacity typ.: 3550mAh
  • Nominal voltage: 3.70V
  • Charge voltage: 4.20+/-0.05V
  • Standard discharge cut-off voltage: 2.50V
  • Standard charge current: 1800mA
  • Charge termination current: 50mA
  • Max. continuous discharge current: 8A

Keeppower%2018650%203600mAh%20P1836J%20(Black)%202019-info.png


This is a protected high capacity cell from Keeppower.

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Keeppower%2018650%203600mAh%20P1836J%20(Black)%202019-Capacity.png


The discharge curves tracks nicely and the protection kicks in when drawing too much current.

Keeppower%2018650%203600mAh%20P1836J%20(Black)%202019-Temp-5.0.png


Keeppower%2018650%203600mAh%20P1836J%20(Black)%202019-Temp-7.0.png


Keeppower%2018650%203600mAh%20P1836J%20(Black)%202019-CapacityTimeHours.png


Keeppower%2018650%203600mAh%20P1836J%20(Black)%202019-CapacityTime.png


Keeppower%2018650%203600mAh%20P1836J%20(Black)%202019-Energy.png


Keeppower%2018650%203600mAh%20P1836J%20(Black)%202019-PowerLoadTime.png


Keeppower%2018650%203600mAh%20P1836J%20(Black)%202019-TripCurrent.png


Keeppower%2018650%203600mAh%20P1836J%20(Black)%202019-Charge.png


Keeppower%2018650%203600mAh%20P1836J%20%28Black%29%202019-Pulse-1.0A-10-10-2.8V-IR.png




[size=+3]Conclusion[/size]

This is some of the highest capacity 18650 batteries on the market, but they have about the same capacity as 3500mAh rated batteries.
It is a good cell.



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

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
 
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