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Voted down because this is not the official word from Microsoft; it's just the opinion of some bloke on a website. And since the "it's official" doesn't actually appear on the web page, I suspect it was added here to drive folk to his site.

Claiming it officially (if it's really a truth) for Microsoft means the same as for Toyota recalling now 7,3 millions of their cars worldwide due to accelerator pedal sticking. Disaster that is. And there on the blog post it is said that there are many similar troubles among quite a few notebook+win7 users.

Whether this is true or not, there is no official statement from MS saying that Windows7 permanently damages batteries.

Microsoft will never make it official, even if this is true. I vote Up

Fud.

"Microsoft denies Windows 7 battery problem"
http://news.cnet.com/8301-13860_3-10449395-56.html

Well there's a possibility that folk didn't count on: there may actually be something wrong with the battery!

Word may not be official but it's everywhere. checkout the comments on post. and even on the forum.
Even I've faced complete battery death in 1 year. Damn it!

That's called 'the internet echo chamber', and at some time every tech company falls victim to it. You strip out the number of people who only think they're seeing the same problem, then strip out the number of people who are making it up to stick it to Microsoft and the problem looks a whole lot smaller.