Keeppower 16340 800mAh RCR123A (Black-Silver) 2020
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Official specifications:
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Voltage: 3.70V
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Typical capacity: 800mAh
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Minimum Capacity: 750mAh
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Discharge cut-off voltage: 2.50V
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Charge voltage: 4.20V +/- 0.05V
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Standard charge current: 500mA
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Maximum constant discharge current: 2A
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A 16340 LiIon battery with protection.
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The two cells match nicely.
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Conclusion
The battery looks like a good protected 16340 battery and the size do match.
Notes and links
The batteries was supplied by Keeppower for review.
The cell is marked RCR123A to say it is rechargeable match for a CR123A primary cell, that is seldom correct.
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 other LiIon batteries
Table with all tested LiIon batteries