Multi-cell structure battery for electric motor powered vehicle

摘要

A multi-cell structure battery (1A) comprising: a plurality of columnar cells accommodated in a casing (11); bus bars (23A, 23B) to connect respective terminals of the cells; signal transmitting wires (16) to connect the respective cells to an external device; a cell holder (12) to hold the cells; and a covering (13) fixed to the cell holder so as to oppose against the terminals of the cells, the bus bars being disposed on an inner surface of the covering opposed to the terminals of the cells and the signal transmitting wires being disposed in an outer surface of the covering.