Golisi IMR20700 3200mAh S32 (Black) 2018
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Official specifications:
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Size: 20 x 70mm
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Model: 20700
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Capacity: 3200mAh
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Constant Current: 30A
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Nominal Voltage: 3.7V
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Charging cut-off voltage: 4.20±0.05V
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Cycle times: >800
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Charging Time: 2.5H(with Golisi Charger)
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Operate temperature: Charging(0-45?), Discharging(–20-60?)
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Storage Temperature: Room temperature, dry place
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This battery is a high current one and is of the never sizes.
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The two batteries do not match completely, the capacity is nearly constant at any load.
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At 30A I had to stop early due to temperature.
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Conclusion
This battery looks like a fairly good high current cell.
Notes and links
The batteries was supplied by Golisi 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
Compare to 26650 and other batteries