An electric powered vehicle includes a chassis defining a battery module compartment and a battery module insertable into the battery module compartment of the chassis. A method of replacing a battery module of an electric powered vehicle provides a service facility including a plurality of battery modules...http://www.google.fr/patents/US7201384?utm_source=gb-gplus-shareBrevet US7201384 - Electric vehicle chassis with removable battery module and a method for battery module replacement
Electric vehicle chassis with removable battery module and a method for ...