This report discusses US power supplies for portable products for the years 2006 and 2011, with forecasts for 2016. Topics covered include product and market segmentation, trade, technology, marketing and distribution, market environment, product and market forecasts, industry composition and leading participants. Product segments covered are primary batteries, secondary batteries, engines and other portable power supplies. Markets discussed include consumer, industrial and professional, portable computers, and personal communication devices. This 20 page report also has a highlights summary and a resources section.