Klarus 16340 K-03 650mAh (Yellow)
Official specifications:
- Rated voltage: 3.7V
- Rated capacity: 650mAh
- Charge voltage: 4.2V
- Discharge cut-off voltage: 2.75V
- Cycle life: 300 cycles
- Protection discharge current: 7uA (Max)
This is a RCR123/16340 cell from Klarus (It is not listed on their website, but can be seen in one of their chargers).
The discharge curves looks fairly good, especially for 16340 cells.
Conclusion
For protected high capacity RCR123/16340 cells they look good, but like many other protected 16340 cells they are a bit long.
Notes and links
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