UltraFire LC10440 500mA (Gray)

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Official specifications:
UltraFire%20LC10440%20500mA%20(Gray)-info

As is common with cheap batteries, the capacity is way overrated (Nobody makes 500mAh 10440 cells).

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UltraFire%20LC10440%20500mA%20(Gray)-Capacity

This is not a nice curve, the batteries has different capacity, but after a few cycles (or maybe it is higher current) they look more alike.

UltraFire%20LC10440%20500mA%20(Gray)-CapacityTimeHours

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UltraFire%20LC10440%20500mA%20(Gray)-Energy

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The batteries has protection, but it makes it slightly longer than typical AAA batteries.

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Conclusion

The battery only has an acceptable performance for a cheap 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