Somewhat related to this thread.....
You have got to see what a big bunch of 990 Li-Ion's can do.
Watch both the videos and enjoy........
"We put in another 110 of the most powerful Li-Ion cells in the world to make a total of 990 A123 Systems M1 cells in the bike. This pushed the power output to over 350 HP. We are now able to draw 1575 amps from the 375 volt, 7.5 kW-hr battery pack. There are just 161 lbs of cells in this pack."
http://www.killacycle.com/