<p>September 2004 (Newstream) -- Active Power, Inc. (NASDAQ:ACPW), a leading manufacturer of battery-free backup power products, on September the 20th announced the details behind its latest breakthrough in alternative energy storage. The new technology, based upon the innovative combination of several mature technologies, constitutes a monumental achievement in energy storage by providing the extended runtimes of lead-acid batteries without any of the well-known shortcomings of these cells. Thi