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Look at this:

I do not remember having 3 batteries. Is this a bug?

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What the, you have a Turbo Boost option?? How?! – Mehrdad Aug 16 '11 at 6:32
No, it is just a power plan's name. – Boris_yo Aug 16 '11 at 7:05

I'm assuming that this is a laptop.

Some laptops have multiple expansion bays that can take drives and batteries. The laptop is telling Windows 7 that there are multiple bays that can support batteries and that they are not present; nothing to worry about.

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