Already in 2003, MES-DEA proved, that a mass produced ZEBRA-Z12 with nominal capacity of 42 kWh could be produced for only about 2800 EUR (ca. 4200 USD), i.e. ca. 100 USD/kWh.
Today, in summer 2008, only a few hundreds are produced by MES-DEA and so the price is about 20.000 EUR for a Z12 today.