Test/review of Vapcell INR18650 3400mAh F34 (Green) 2021

HKJ

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[size=+3]Vapcell INR18650 3400mAh F34 (Green) 2021[/size]

DSC_4602.jpg


Official specifications:
  • Min capacity: 3300mAh (0.2C discharge)
  • Nominal voltage: 3.60V
  • Max Continuous Discharge Current: 10A
  • Max Discharge Current: 20A
  • End-of-charge voltage: 4.20V
  • End-of-discharge Voltage: 2.5V
  • Weight: 48g ( Appr)
  • Internal resistance: 24mOhm ( Appr) AC 1kHz
  • Standard Charge: 1000mA,CCCV 100mA cut-off
  • Quick Charge Current: 2000mA
l%20INR18650%203400mAh%20F34%20(Green)%202021-info.png


This is a high capacity 18650 cell with moderate current capability.

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DSC_4601.jpg


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DSC_4604.jpg


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INR18650%203400mAh%20F34%20(Green)%202021-Capacity.png


The two cells tracks nicely, they can deliver up to 10A, above there is heat problems.

NR18650%203400mAh%20F34%20(Green)%202021-Temp-10.0.png


NR18650%203400mAh%20F34%20(Green)%202021-Temp-15.0.png


NR18650%203400mAh%20F34%20(Green)%202021-Temp-20.0.png


203400mAh%20F34%20(Green)%202021-CapacityTimeHours.png


8650%203400mAh%20F34%20(Green)%202021-CapacityTime.png


20INR18650%203400mAh%20F34%20(Green)%202021-Energy.png


650%203400mAh%20F34%20(Green)%202021-PowerLoadTime.png


18650%203400mAh%20F34%20(Green)%202021-TripCurrent.png


20INR18650%203400mAh%20F34%20(Green)%202021-Charge.png


%20F34%20%28Green%29%202021-pulse-1.0%2010%2010-IR.png




[size=+3]Conclusion[/size]

The cells works nicely, but the internal resistance increases more than usual when the cell is near empty.



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

The batteries was supplied by Vapcell 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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