Keeppower 18650 3600mAh P1836J (Black) 2019
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Official specifications:
- Capacity min.: 3450mAh
- Capacity typ.: 3550mAh
- Nominal voltage: 3.70V
- Charge voltage: 4.20+/-0.05V
- Standard discharge cut-off voltage: 2.50V
- Standard charge current: 1800mA
- Charge termination current: 50mA
- Max. continuous discharge current: 8A
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This is a protected high capacity cell from Keeppower.
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The discharge curves tracks nicely and the protection kicks in when drawing too much current.
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Conclusion
This is some of the highest capacity 18650 batteries on the market, but they have about the same capacity as 3500mAh rated batteries.
It is a good cell.
Notes and links
The batteries was supplied by Keeppower 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