Keeppower 18650 3600mAh P1836J (Black) 2019
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
This is a protected high capacity cell from Keeppower.
The discharge curves tracks nicely and the protection kicks in when drawing too much current.
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