Test/review of Enerpower 18650 3.2V 1100mAh (Blue)

HKJ

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[size=+3]Enerpower 18650 3.2V 1100mAh (Blue)[/size]

DSC_3560.jpg


Official specifications:
  • Standard capacity: 1100mAh
  • Capacity range: 1050 ~ 1200mAh
  • Standard voltage: 3.2V
  • Internal resistance (1kHz): <=18mOhm
  • Maximum charge current: 5.5A
  • Discharge cut-off voltage: 2.5V
  • Fast discharge current: 11A
  • Maximum continuous discharge current: 33A
  • Pulse discharge current: 40A for 10seconds
  • Cycle characteristic: 500cycles (100% DOD), 1000cycles (80% DOD), 3000cycles (50% DOD)
  • Working temperature: Charge 0°C ~ 55°C, Discharge -20°C ~ 60°C
  • Storage temperature: 3 months: -20°C ~ 45°C

Enerpower%2018650%203.2V%201100mAh%20(Blue)-info.png


This is high current LiFePO4 batteries.

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DSC_3563.jpg

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Enerpower%2018650%203.2V%201100mAh%20(Blue)-Capacity.png


The batteries tracks nicely. The voltage is lower than normal LiIon, but it is stable during most of the discharge.

Enerpower%2018650%203.2V%201100mAh%20(Blue)-Temp-15.0.png


Enerpower%2018650%203.2V%201100mAh%20(Blue)-Temp-20.0.png


Enerpower%2018650%203.2V%201100mAh%20(Blue)-Temp-30.0.png


Enerpower%2018650%203.2V%201100mAh%20(Blue)-CapacityTimeHours.png


Enerpower%2018650%203.2V%201100mAh%20(Blue)-CapacityTime.png


Enerpower%2018650%203.2V%201100mAh%20(Blue)-Energy.png


Enerpower%2018650%203.2V%201100mAh%20(Blue)-PowerLoadTime.png


Enerpower%2018650%203.2V%201100mAh%20(Blue)-TripCurrent.png


Enerpower%2018650%203.2V%201100mAh%20(Blue)-Charge.png




[size=+3]Conclusion[/size]

High current at fairly stable voltage, but not much capacity.
This is a good LiFePO4 high current cell.



[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
 
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