<A target="_blank" href="http://www.pcworld.com/businesscenter/blogs/bizfeed/188844/windows_7_just_being_honest_about_battery_life.html?tk=rss_news">People who have upgraded their old hardware to Windows 7 have been alarmed</A> to get get notices about failing batteries. Even new batteries have been reported as failing. After some testing, Microsoft's official denial is out. The OS is working as designed, your hardware is failing.