A lot of Windows 7 users have been getting a warning that their battery has a problem when there really is no problem at all. Microsoft says it's a hardware issue and some system firmware may need to be upgraded on the user's end. The computer system's basic BIOS may need a firmware upgrade in order to communicate properly with the Windows 7 OS. Other laptop users upgrading to Windows 7 from Vista have experienced the same problems and also have had charging issues with their laptop batteries.

Windows 7 There is a Problem with your Battery

With Apple dominating the tablet market, Windows has released Windows Embedded Compact 7 to operate specifically for commercial and consumer devices, such as tablets, smart phones, etc. 

Sources: http://news.cnet.com/8301-13860_3-10445767-56.html

http://batterynews.us/2010-04-16-windows-7-microsoft-is-investigating-battery-problems/

http://community.winsupersite.com/blogs/paul/archive/2010/06/02/microsoft-windows-and-embedded-not-windows-phone-7-on-tablets.aspx

Laptop Batteries, Laptop Chargers, Laptop Power Adapters, Laptop Accessories