Test/review of Staring IMR18650 2500mAh (Green)

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Test/review of Staring IMR18650 2500mAh (Green)

Staring IMR18650 2500mAh (Green)
DSC_6654
Official specifications:


  • Battery type: 18650 battery
  • Typical capacity: 2500mAh (real capacity)
  • Typical voltage: 3.7V
  • Voltage range: 4.2V~2.75V
  • Battery demensions: 18.23(D)*65.11(L)mm
  • Unit weight: 50g
  • Capacity density: 457Wh/L
  • Specific energy: 180Wh/Kg
  • Standred charging current: 1.1A (0.5C)
  • Standred discharge current: 1.1A (0.5C)
  • Max discharge current: 4.4A (2.0C)
  • Cycle life: 500T
  • Tempreture: -20°c~60°c
  • Certifications: CE, RoHS, UL

Staring%20IMR18650%202500mAh%20(Green)-info
This is high current 18650 with fairly high capacity.
DSC_6652 DSC_6653
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Staring%20IMR18650%202500mAh%20(Green)-Capacity
The discharge curves tracks just about perfect and the batteries works well up to 20A, at 30A they are strained.
Staring%20IMR18650%202500mAh%20(Green)-Temp-15.0
Staring%20IMR18650%202500mAh%20(Green)-Temp-20.0
They gets fairly hot at 20A, but it is in the acceptable range.
Staring%20IMR18650%202500mAh%20(Green)-Temp-30.0
At 30A I would have terminated on temperature if the discharge had lasted a few second more, i.e. they are too hot.
Staring%20IMR18650%202500mAh%20(Green)-CapacityTimeHours
Staring%20IMR18650%202500mAh%20(Green)-CapacityTime
Staring%20IMR18650%202500mAh%20(Green)-Energy
Staring%20IMR18650%202500mAh%20(Green)-PowerLoadTime
Staring%20IMR18650%202500mAh%20(Green)-TripCurrent
Staring%20IMR18650%202500mAh%20(Green)-Charge
Conclusion
The cells has very good performance up to 20A continuous.
Notes and links
The batteries was supplied by Staring for a 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/