BATTERY PACK

PROBLEM TO BE SOLVED: To provide a battery pack preventing short circuit between battery modules in fixing work of a bus bar and enhancing working efficiency in fixing of the bus bar. SOLUTION: The battery pack has a battery module group formed by arranging a plurality of battery modules each having an output terminal, a plurality of conductive bus bars fixed to the output terminal and for electrically connecting the battery modules, and a plate-like bus bar holding plate 20 holding the bus bar and made of an insulating material. The battery pack furthermore has an insulating barrier projection part 170 positioned between the bus bars and projecting from the surface on the opposite side to the battery module group of the bus bar, installed on the bus bar holding surface 20a on the opposite side to the battery module group, out of both surfaces of the bus bar holding plate. The insulating barrier projection part functions as a barrier against short circuit between the bus bars. COPYRIGHT: (C)2008,JPO&INPIT