The Dell laptop batteries that are the focus of the largest electronics recall in the United States were actually made by Sony and are in other companies' laptops as well. Check out this article.
So while Dell is catching a lot of heat (ha ha) for this problem, Sony could be quickly pulled into this fiasco. The U.S. Consumer Product Safety Commission said it's looking at batteries made by Sony, which show up in laptops from Apple Computer, Hewlett-Packard and Lenovo as well.
Sony is trying to keep the focus on Dell, saying the overheating problem appeared related to the combination of the battery and charger Dell uses. We'll see.