Jetbeam 14500 750mAh JL148 (Blue-white)
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Official specifications:
- Battery Capacity (Mfg Rated): 750 mAh
- Battery Chemistry: Li-Ion
- Battery Feature: Protected Rechargeable
- Maximum load current: 3A
- Battery Form Factor: 14500
- Battery Rated Voltage: 3.7 V
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Protected 14500 from JetBeam.
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The discharge curves are fairly close and as can be seen the protection kicks in at around 3A.

Absolutely no temperature problems.
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Conclusion
Fairly decent protected 14500 battery, but not a top performer for either capacity or current (It is not a high current cell).
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