Test/review of Vapcell INR20700 3000mAh (Purple) 2018

HKJ

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Vapcell INR20700 3000mAh (Purple) 2018

DSC_3269.jpg


Official specifications:
  • Model: INR20700
  • Size: 20.5*70.2mm
  • Nominal voltage: 3.6V
  • End-of-charge voltage: 4.20V
  • End-of-discharge Voltage: 2.50V
  • Typical Capacity: 3000mAh (0.2C discharge)
  • Min capacity: 2850Ah (0.2C discharge)
  • Weight: Max:60g
  • Internal resistance: Max:12mOhm
  • Standard Charge: 2000mA,CCCV 100mA cut-off
  • Charging Time: 3hours(standard charge)
  • Quick Charge Current: 4000mA
  • Max Continuous Discharge Current: 30000mA
  • Operating Temperature: Charging: 0°C ~ 45°C, Discharging: -20°C~75°C
  • Storage: Temperature -5°C~35°C, Humidity <75%RH
  • Standard environmental condition: Temperature: 23±5°C
  • Humidity: 45-75%RH

Vapcell%20INR20700%203000mAh%20(Purple)%202018-info.png


A high current cell in the new 20700 format.

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Vapcell%20INR20700%203000mAh%20(Purple)%202018-Capacity.png


The discharge curves tracks fairly well and the cells can handle 30A nicely.

Vapcell%20INR20700%203000mAh%20(Purple)%202018-Temp-20.0.png


Vapcell%20INR20700%203000mAh%20(Purple)%202018-Temp-30.0.png


But they do get warm at 30A

Vapcell%20INR20700%203000mAh%20(Purple)%202018-CapacityTimeHours.png


Vapcell%20INR20700%203000mAh%20(Purple)%202018-CapacityTime.png


Vapcell%20INR20700%203000mAh%20(Purple)%202018-Energy.png


Vapcell%20INR20700%203000mAh%20(Purple)%202018-PowerLoadTime.png


Vapcell%20INR20700%203000mAh%20(Purple)%202018-TripCurrent.png


Vapcell%20INR20700%203000mAh%20(Purple)%202018-Charge.png




Conclusion

These cells are at the low end of capacity for 20700 cells, but instead they have a fairly good high current performance.



Notes and links

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
Compare to 18650 and other batteries
 
Last edited:

peter yetman

Flashlight Enthusiast
Joined
Mar 23, 2014
Messages
5,100
Location
North Norfolk UK
Henrik, I think you meant
Size: 20.5*70.2mm
in the Official Spec.
Thank you for another invaluable review.
If you didn't exist we'd have to invent you.
P
 
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