Since the Earth Quake and Tsunami in Japan, it looks like Apple might have a iPod battery shortage on hand. The company that helps provided parts to manufacture the lithium-ion batteries 'Kureha Corp', whom produces the binding part of the battery has been closed since the quake hit. There are unsure when they will re-open. Apple won't be the only company that is facing the shortage, since Kureha has a 70% market share for this particular polymer alone. We will see what happens with this.