AW IMR14500 650mAh (Red) 2016
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Official specifications:
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Nominal Voltage: 3.7v
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Capacity: 650mAh
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Low Discharge Voltage: 2.50v
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Maximum Discharge Rate: 5 amps
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Maximum charge Rate: 1.5 amps
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Operating Discharge Temp: –10 to 60°C
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A new generation high current cell from AW
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The two cells matches fairly well on capacity, but there is a voltage difference.
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%202016/AW%20IMR14500%20650mAh%20(Red)%202016-Temp-7.0.png)
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As usual with small cells the discharge is too fast to get high temperatures.
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Conclusion
I wonder about the difference in voltage between the two batteries, are they different age?
The capacity matches fine enough.
Notes and links
The batteries was supplied by aw-akku.de 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
Comparison to other LiIon batteries