Test/review of YLE NCR18500 A225 2250mAh (Green)

HKJ

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[size=+3]YLE NCR18500 A225 2250mAh (Green)[/size]

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Official specifications:
  • Nominal voltage: 3.6V
  • Nominal capacity: 2250mAh
  • Minimum capacity: 2150mAh
  • Charge voltage: 4.2V
  • Standard charge current: 450mA
  • Maximal charge current: 1575mA
  • Discharge cut-off voltage: 2.5V
  • Nominal discharge current: 450mA
  • Maximal continuous discharge current: 4000mA
  • Operating temperature: 0°C ~45°C
  • Storage temperature: -20°C ~ 60°C
  • Cycle life: 300 cycles

YLE%20NCR18500%20A225%202250mAh%20(Green)-info.png


This is a YLE 18500 battery from Ebay (The order included a invoice with a address in Berlin).

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YLE%20NCR18500%20A225%202250mAh%20(Green)-Capacity.png


The two cell match nicely and can easily deliver the rated 4A.

YLE%20NCR18500%20A225%202250mAh%20%28Green%29-Temp-3.0.png


YLE%20NCR18500%20A225%202250mAh%20%28Green%29-Temp-5.0.png


YLE%20NCR18500%20A225%202250mAh%20(Green)-CapacityTimeHours.png


YLE%20NCR18500%20A225%202250mAh%20(Green)-CapacityTime.png


YLE%20NCR18500%20A225%202250mAh%20(Green)-Energy.png


YLE%20NCR18500%20A225%202250mAh%20(Green)-PowerLoadTime.png


YLE%20NCR18500%20A225%202250mAh%20(Green)-TripCurrent.png


YLE%20NCR18500%20A225%202250mAh%20(Green)-Charge.png


Discharge-YLE%20NCR18500%20A225%202250mAh%20%28Green%29-pulse-0.5%2010%2010-IR.png




[size=+3]Conclusion[/size]

This looks like a good 18500 cell. Capacity is high for the size, but it is not a high current cell in any way.



[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
Graphical comparison to 18650 and other batteries
Table with all tested LiIon batteries
 
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