TrustFire TF18350 1200mAh (Black-red-gold)
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Official specifications:
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Voltage: 3.7V
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Capacity: 1200mAh
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Rechargeable times: Up to 500 times
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A protected 18350 with high capacity.
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The curves do not track perfectly and the capacity is lower than specified.
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/TrustFire%20TF18350%201200mAh%20(Black-red-gold)-CapacityTimeHours.png)
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Conclusion
This is fairly decent protected 18350 cell, but capacity is only 3/4 of the specified value.
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