AW 14500 750mA (Black)
The battery has nearly constant capacity at all currents and the two batteries is a good match.
The over current protection is a bit high for this battery, but it handles it fine.
The battery has a good performance and with AW behind it I will call it a good battery.
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