It was said with 300miles range package, Model S is equipped with Panasonic NCR18650A which is a minimum 2.9AH lithium-ion battery. But Panasonic promised two different versions of this 18650A. Both versions will in-cooperate better production/construction of the battery without significant changes in the chemistry of the batteries. This will lead to a higher energy-density-to-volume but energy-density-to-weight will remain the same. The new battery, which is supposed to come out in March 2013, will have phenomenal 735wh/L. So will Model S be re-modeled with the new battery once they are available?
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