Test/review of Vapcell INR18650 2000mAh (Black)

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HKJ
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Test/review of Vapcell INR18650 2000mAh (Black)

Vapcell INR18650 2000mAh (Black)
DSC_2071
Official specifications:


  • Model: vapcell INR18650
  • Size: 18.3*65.0mm
  • Nominal voltage: 3.6V
  • End-of-charge voltage: 4.20V
  • End-of-discharge Voltage: 2.50v
  • Typical Capacity: 2000mAh (0.2C discharge)
  • Min capacity: 1950mAh (0.2C discharge)
  • Weight: Max:48g
  • Internal resistance: Max:8mOhm
  • Standard Charge: 1000mA,CCCV 100mA cut-off
  • Charging Time: 3 hours (standard charge)
  • Quick Charge Current: 4000mA
  • Max Continuous Discharge Current: 38000mA
  • Operating Temperature: Charging, 0°C ~ 45°C, Discharging, -20°C~75°C, Storage Temperature-5°C~35°C
  • Storage Humidity:
  • Appearance: Without scratch, distorion, contamination and leakage
  • Standard environmental condition: Temperature: 23±5°C, Humidity: 45-75%RH, Atmospheric Pressure: 86-106KPA

Vapcell%20INR18650%202000mAh%20(Black)-info
This is a low capacity 18650 cell that can handle very high current.
DSC_2068 DSC_2069 DSC_2070
Very nice box for the batteries, especially if you want to carry spare batteries. The one I got include a paper with the above specifications.
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Vapcell%20INR18650%202000mAh%20(Black)-Capacity
This is a good looking discharge chart, the cells tracks perfectly and capacity is nearly constant up to (and probably a bit above) 30A
Vapcell%20INR18650%202000mAh%20(Black)-Temp-15.0
Vapcell%20INR18650%202000mAh%20(Black)-Temp-20.0
Vapcell%20INR18650%202000mAh%20(Black)-Temp-30.0
The battery gets warm at 30A, but could handle more current before the temperature would be a problem.
Vapcell%20INR18650%202000mAh%20(Black)-CapacityTimeHours
Vapcell%20INR18650%202000mAh%20(Black)-CapacityTime
Vapcell%20INR18650%202000mAh%20(Black)-Energy
Vapcell%20INR18650%202000mAh%20(Black)-PowerLoadTime
Vapcell%20INR18650%202000mAh%20(Black)-TripCurrent
Vapcell%20INR18650%202000mAh%20(Black)-Charge
Conclusion
For people that want to play with high current, i.e. 20A, 30A or more this looks like a very interesting cell. But the price is a fairly low capacity.
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

My website with reviews of many chargers and batteries (More than 1000): https://lygte-info.dk/

Edited by: HKJ on 09/22/2017 - 11:25
maukka
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Wow, that packs a powerful punch. Even less voltage sag than on the VTC5A in the beginning stages of discharge from 10A up.

JaredM
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Wow. Great high-current performance. 30A barely reached 35*C

It appears to me that this chemistry is near identical to the Samsung 30T 21700; just at 2/3 the capacity, which is proportionate to the volume difference between the two formats.

HKJ
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JaredM wrote:
30A barely reached 35*C

Be careful with reading my temperature scale, it is temperature increase not absolute temperature.
And the temperature do increase 42°C degrees after I stop the discharge (The vertical line at the end).

Compared to many other cells it is very impressive handling of high current.

My website with reviews of many chargers and batteries (More than 1000): https://lygte-info.dk/

SoCalTiger
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The voltage curves at high amps are really nice.

Any US retailers carrying this yet?

Strivelife
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torchythebatteryboy
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This is a really impressive battery. The capacity only starts to drop off at 60A continuous current. At 60A continuous current it ran longer by a long way than any battery I have tested be it 18650, 26650, 20700 or 21700.