Test/review of Vapcell INR18650 2500mAh (Purple) 2018

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Test/review of Vapcell INR18650 2500mAh (Purple) 2018

Vapcell INR18650 2500mAh (Purple) 2018

DSC_5771

Official specifications:


  • Model: INR18650
  • Size: 18.3*65.2mm
  • Nominal voltage: 3.6V
  • End-of-charge voltage: 4.20V
  • End-of-discharge Voltage: 2.50V
  • Typical Capacity: 2500mAh (0.2C discharge)
  • Min capacity: 2400mAh (0.2C discharge)
  • Weight: Max:46g
  • Internal resistance: Max:14mOhm
  • Standard Charge: 1500mA,CCCV 100mA cut-off
  • Charging Time: 2.5hours(standard charge)
  • Quick Charge Current: 4000mA
  • Max Continuous Discharge Current: 20000mA
  • Operating Temperature: Charging: 0°C ~ 45°C, Discharging: -20°C~75°C
  • Storage: Temperature -5°C~35°C, Humidity
  • Standard environmental condition: Temperature: 23±5°C
  • Humidity: 45-75%RH

Vapcell%20INR18650%202500mAh%20(Purple)%202018-info

A medium capacity high current cell.

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Vapcell%20INR18650%202500mAh%20(Purple)%202018-Capacity

The discharge curves looks perfect with the traces on top of each other and nearly constant capacity up to 20A.

Vapcell%20INR18650%202500mAh%20(Purple)%202018-Temp-20.0

The cells gets warm during a 20A discharge, but not too warm.

Vapcell%20INR18650%202500mAh%20(Purple)%202018-Temp-30.0

At 30A I stopped due to temperature.

Vapcell%20INR18650%202500mAh%20(Purple)%202018-CapacityTimeHours

Vapcell%20INR18650%202500mAh%20(Purple)%202018-CapacityTime

Vapcell%20INR18650%202500mAh%20(Purple)%202018-Energy

Vapcell%20INR18650%202500mAh%20(Purple)%202018-PowerLoadTime

Vapcell%20INR18650%202500mAh%20(Purple)%202018-TripCurrent

Vapcell%20INR18650%202500mAh%20(Purple)%202018-Charge



Conclusion

This is a very good high current cell that can deliver 20A without problems.



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/