Test/review of Vappower INR20700 3000mAh (Green)

HKJ

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[size=+3]Vappower INR20700 3000mAh (Green)[/size]

DSC_5216.jpg


Official specifications:
  • Nominal Voltage: 3.6v
  • Charging Voltage: 4.2v
  • Standard Charging: CC-CV, 1.25A, 4.2V±0.05, 50mA cut-off
  • Rapid Charging: CC-CV, 4A, 4.2V±0.05, 100mA cut-off
  • Capacity:3000mAh
  • Energy Density: Nom.240Wh/kg
  • Max. discharge current: 30A
  • Max. pulse discharge: 50A
  • Discharge cut-off voltage: 2.5V
  • Internal resistance:Max.20mOhm
  • Cell weight: 47G

Vappower%20INR20700%203000mAh%20(Green)-info.png


A high current 20700 battery.

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DSC_5218.jpg


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DSC_5220.jpg

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Vappower%20INR20700%203000mAh%20(Green)-Capacity.png


The discharge curves tracks fine and the cell has nearly constant capacity.

Vappower%20INR20700%203000mAh%20(Green)-Temp-20.0.png


The cell gets fairly warm at 20A

Vappower%20INR20700%203000mAh%20(Green)-Temp-30.0.png


And I had to stop the discharge at 30A

Vappower%20INR20700%203000mAh%20(Green)-CapacityTimeHours.png


Vappower%20INR20700%203000mAh%20(Green)-CapacityTime.png


Vappower%20INR20700%203000mAh%20(Green)-Energy.png


Vappower%20INR20700%203000mAh%20(Green)-PowerLoadTime.png


Vappower%20INR20700%203000mAh%20(Green)-TripCurrent.png


Vappower%20INR20700%203000mAh%20(Green)-Charge.png




[size=+3]Conclusion[/size]

This battery can deliver a lot of current with a good capacity, performance is about the same as the best 18650.



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

The battery was supplied by Vappower 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
Compare to 18650 and other batteries
 
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