Shockli 14500 AA LiFePO4 650mAh (Purple)
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Official specifications:
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Discharge current: 0.01A - 1.5A
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Charge voltage: 3.65V
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Charge current: 0.1A - 0.6A
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This is AA sized LiFePO4 cells.
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The two cells are very well matched and like all LiFePO4 the voltage is fairly stable during discharge. They do easily handle the rated 1.5A current.
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/Shockli%2014500%20AA%20LiFePO4%20650mAh%20(Purple)-CapacityTimeHours.png)
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/Shockli%2014500%20AA%20LiFePO4%20650mAh%20(Purple)-Energy.png)
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Conclusion
Nice cells, they works perfectly for LiFePO4 with lower but stable discharge voltage and do easily deliver rated current.
Notes and links
The batteries was supplied by Shockli for review.
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