Fujitsu will offer owners of some of its laptop computers <A HREF="http://www.cio.com/blog_view.html?CID=25397">replacement batteries</A> as part of Sony's global battery exchange program. Sony announced the program in response to growing consumer concerns about its laptop PC batteries, which are used by many companies. Since mid-August, about 6.6 million laptop batteries containing Sony-made cells have been recalled by computer makers because of a potential fire hazard.