Test/review of Aspire ICR18650 2500mAh (Black-yellow)

HKJ

Flashaholic
Joined
Mar 26, 2008
Messages
9,715
Location
Copenhagen, Denmark
[size=+3]Aspire ICR18650 2500mAh (Black-yellow)[/size]

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Official specifications:
  • Capacity: 2500mAh
  • Flat top to suit most Mods
  • Continuous discharge 20 A
  • Pulsed discharge 40 A
  • Nominal Voltage 3.7V

Aspire%20ICR18650%202500mAh%20(Black-yellow)-info.png


High current batteries from ebay.

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Aspire%20ICR18650%202500mAh%20(Black-yellow)-Capacity.png


The discharge curves looks good, the cells tracks and have nearly constant capacity up to 20A. At 30A the cell has trouble.

Aspire%20ICR18650%202500mAh%20%28Black-yellow%29-Temp-15.0.png


Aspire%20ICR18650%202500mAh%20%28Black-yellow%29-Temp-20.0.png


THey get warm at 20A, but not too warm.

Aspire%20ICR18650%202500mAh%20%28Black-yellow%29-Temp-30.0.png


The battery gets very hot at 30A, I recorded 91°C

Aspire%20ICR18650%202500mAh%20(Black-yellow)-CapacityTimeHours.png


Aspire%20ICR18650%202500mAh%20(Black-yellow)-CapacityTime.png


Aspire%20ICR18650%202500mAh%20(Black-yellow)-Energy.png


Aspire%20ICR18650%202500mAh%20(Black-yellow)-PowerLoadTime.png


Aspire%20ICR18650%202500mAh%20(Black-yellow)-TripCurrent.png


Aspire%20ICR18650%202500mAh%20(Black-yellow)-Charge.png




[size=+3]Conclusion[/size]

These batteries has good performance.



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

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
 

CuriousOne

Enlightened
Joined
Oct 14, 2012
Messages
813
These cells are made by Shenzhen YongDeli company, and as manufacturer website says, they are 2200mAh cells, just being rebadged by Aspire ase 2500mAh cells. I'm using them in Jetbeam KO-01 and they work just fine.
 
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