Varta 9V 200mAh (Green)

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Official specifications:
Varta%209V%20200mAh%20(Green)-info

This is a 7 cell NiMH battery.

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Varta%209V%20200mAh%20(Green)-Capacity

At low load the battery has the specified capacity and it looses some capacity with, but nothing like a Alkaline battery.
The battery is rated 8.4V and for most of the runtime it will have higher voltage than a 9V Alkaline.

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Conclusion

The NiMH 9V batteries has considerable less capacity than 9V Alkaline, but can handle much higher power.
This battery looks like a good one.



Notes and links

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