Bus bar module and power supply unit

Abstract

Disclosed is a bus bar module and a power source unit capable of reducing manufacturing cost thereof. A bus bar module (1) includes a plurality of bus bars (3) arranged in line so as to connect a plurality of batteries (3) in series; a plurality of housings (50) housing each of the bus bars (3) and each including a placement part (51) on which each of the bus bar (3) is placed; a pair of opposite walls (52) upstanding from the placement, part (51) and opposed to each other, a continuing wall (52) continuous wish the pair of opposite walls (52), and an opening (54) located opposed to the continuing wall (53); and a flat circuit board (4) connected to each of the bus bars (3) and arranged in an arrangement direction X of the bus bars (3), the flat circuit board (4) being, with a width direction thereof along an upstanding direction of the pair of opposite walls (52), attached to the housings (50) so as to cover the opening (54).

Dependencies are inferred from the claim text.