Molicel INR20700A 3000mAh (Gray)
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Official specifications:
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Rated typical capacity: 3000mAh
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Rated minimum capacity: 2800mAh
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Nominal voltage: 3.6V
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Maximum charge current: 3A
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End of charge voltage: 4.20V +/-0.05V
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Maximum discharge current: 35A (Cycle life is reduced at high rates)
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End of discharge voltage: 2.5V
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Typical impedance: <20mOhm AC 1kHz
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Cycle life: 500 cycles at 3A charge and 10A discharge for 80%
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Operating temperature: Charging: 0°C ~ 60°C, Discharging: –40°C ~ 60°C
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Storage temperature: <35°C, recommended <23°C for long term.
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This is a high current 20700 cell.
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The two cells tracks nearly perfectly, at the 30A discharge I had to stop due to temperature, but the cell do not look overloaded on the discharge curve.
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Conclusion
Very good battery for up to about 30A, at the high current the battery may need a rest during discharge to cool down a bit.
Notes and links
The batteries was supplied by N-Power Energy 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
Graphical comparison to 18650 and other batteries
Table with all tested LiIon batteries