POWER STORAGE DEVICE AND ON-VEHICLE MOUNTING STRUCTURE OF POWER STORAGE DEVICE

摘要

PROBLEM TO BE SOLVED: To prevent erroneous assembly of power storage module bus bars connecting power storage module terminals of a plurality of power storage modules.SOLUTION: A power storage device P is configured by juxtaposing at least first to third power storage modules M each formed from a plurality of power storage cells 11, and electrically connecting power storage module terminals 31A, 31B of the power storage modules M neighboring to each other via power storage module bus bars 33A, 33B. The power storage module bus bars 33A, 33B are formed from the long power storage module bus bar 33B provided at one end side of the power storage modules M and the short power storage module bus bar 33A provided at another end side of the power storage modules M. Since the long power storage module bus bar 33B is longer than the short power storage module bus bar 33A, even when assembling the long power storage module bus bar 33B and the short power storage module bus bar 33A while mistaking them for each other, they cannot be assembled, thereby preventing erroneous assembly.