http://www.battlepack.com/K2.asp

http://www.astroflight.com/index.php?main_page=index&cPath=1&zenid=21tln88a9v8532430mbtqju6khutiuur

http://www.astroflight.com/index.php?main_page=index&cPath=34

http://www.a123systems.com/

http://www.rcgroups.com/forums/showthread.php?t=599316

Do a google search:
how to build a a123 battery pack for
motorcycle

Ron P.