Conrad energy LiIon 9V 500mAh (Blue)

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Official specifications:
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The German company Conrad have some 9V LiIon cell in their range of batteries, this is the high capacity version.
Overcharge protection on the A cell kicks in at 8,49 volt and over discharge protection at 5,67V
Overcharge protection on the B cell kicks in at 8,51 volt and over discharge protection at 5,56V

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There is some difference in capacity between the two cells. Both cells handles load fine, even at 500mA, the capacity is also more than rated.

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Conclusion


These batteries have more than double capacity compared to NiMH 9V batteries and are close to a alkaline battery at low load and this battery will maintain high capacity and voltage at high load.

In moderate to high load situations this looks like a good replacement for alkaline.



Notes and links

How is the test done and how to read the charts
Compare to other 9V batteries: Alkaline/NiMH/Lithium/other