Duracell Ultra Power AA

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Official specifications:
Duracell%20Ultra%20Power%20AA-info

The "best" alkaline batteries from Duracell. Each cell includes a device to measure remaning power.

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Duracell%20Ultra%20Power%20AA-Capacity

As usual the capacity of alkaline cells varies with load. These cells has very good capacity for alkaline, but cannot match lithium batteries.

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Conclusion

This is the best alkaline cell I have tested until now, but I did not see the 40% improvement compared to Duracell plus (Only 14% at 0.5A).



Notes and links

How is the test done and how to read the charts
Compare to other AA/AAA batteries: Alkaline/NiMH/Lithium