NEW CASTLE, Pa., March 21, 2012 /PRNewswire/ -- Axion Power International, Inc. (OTC Bulletin Board: AXPW), announced plans to release its fourth quarter and year-end 2011 results before market on Monday, April 2, 2012. The Company will hold a conference call that same day at 11:00 am ET. Interested parties should call 877-317-6789 (domestic) or 412-317-6789 (international), to access the call. WebcastTo listen to the conference call live via the Internet, visit the Investors section of the Company's website at www.axionpower.com. ReplayFor those unable to attend to the live webcast, it will be archived following the event for 90 days in the Investors section of the Company's website. An audio replay of the call will be available for one week and can be accessed by dialing 877-344-7529 (domestic) and 412-317-0088 (international) and using conference number 10011676. About Axion Power International, Inc. Axion has developed and patented a next generation energy storage device that won the prestigious Frost & Sullivan Technology Award for North America in the field of lead-acid batteries. According to Frost & Sullivan, Axion's new PbC® batteries have "the potential to revitalize the lead-acid battery industry by breathing new life into an established technology that is not well suited to the requirements of important new applications like hybrid electric vehicles and renewable power." Axion Power International, Inc. is the industry leader in the field of lead-acid-carbon energy storage technologies. Axion believes this new battery technology is the only class of advanced battery that can be assembled on existing lead-acid battery production lines throughout the world utilizing Axion's proprietary carbon electrodes. Axion's future goal, after filling their plant's lead-carbon battery production capacity, is to become the leading supplier of carbon electrode assemblies for the global lead-acid battery industry.