Test/review of Vapcell INR18650 3000mAh P1830A (Black-green) 2020

HKJ

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[size=+3]Vapcell INR18650 3000mAh P1830A (Black-green) 2020[/size]

DSC_4150.jpg


Official specifications:
  • Size: 18.4*69.5mm
  • Nominal voltage: 3.60V
  • End-of-charge voltage: 4.20V
  • End-of-discharge Voltage: 2.50V
  • Typical Capacity: 3000mAh (0.2C discharge)
  • Min capacity: 2950mAh (0.2C discharge)
  • Weight: Max:50g
  • Internal resistance: Max:23mOhm (AC 1kHz)
  • Standard Charge: 1500mA,CCCV 100mA cut-off
  • Quick Charge Current: 4000mA
  • Max Continuous Discharge Current: 15000mA (15A)
  • Operating Temperature: Charging, 0°C ~ 45°C
  • Operating Temperature: Discharging, -20°C ~ 70°C
  • Storage Temperature: -5°C ~ 35°C
  • Over charge protection voltage: 4.25+0.05/-0V
  • Over discharge protection voltage: 2.50+0/-0.05V
  • Over current protection current: 17A ~ 20A

Vapcell%20INR18650%203000mAh%20P1830A%20(Black-green)%202020-info.png


This is a protected 3000mAh 18650 battery that can deliver a fair amount of current.

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DSC_4149.jpg


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Vapcell%20INR18650%203000mAh%20P1830A%20(Black-green)%202020-Capacity.png


The two cells match nicely.

Vapcell%20INR18650%203000mAh%20P1830A%20(Black-green)%202020-Temp-7.0.png


Vapcell%20INR18650%203000mAh%20P1830A%20(Black-green)%202020-Temp-10.0.png


Vapcell%20INR18650%203000mAh%20P1830A%20(Black-green)%202020-Temp-15.0.png


I stopped this discharge due to temperature.

Vapcell%20INR18650%203000mAh%20P1830A%20(Black-green)%202020-CapacityTimeHours.png


Vapcell%20INR18650%203000mAh%20P1830A%20(Black-green)%202020-CapacityTime.png


Vapcell%20INR18650%203000mAh%20P1830A%20(Black-green)%202020-Energy.png


Vapcell%20INR18650%203000mAh%20P1830A%20(Black-green)%202020-PowerLoadTime.png


Vapcell%20INR18650%203000mAh%20P1830A%20(Black-green)%202020-TripCurrent.png


Vapcell%20INR18650%203000mAh%20P1830A%20(Black-green)%202020-Charge.png


Discharge-Vapcell%20INR18650%203000mAh%20P1830A%20%28Black-green%29%202020-pulse-1.0%2010%2010-IR.png




[size=+3]Conclusion[/size]

The batteries looks fine.
The over current protection will not protect against a the battery getting too warm, only against gross overloads (This is fairly common).



[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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