BATTERY MODULE

There are provided an electric cell group 13 of a plurality of electric cells 11 with positive and negative electrode terminals 12A and 12B, connecting members 15 for connecting adjacent electrode terminals 12A and 12B, and a wiring module 20 assembled to the electric cell group 13. The wiring module 20 includes a plurality of voltage detection terminals 21 connected to the ends of a plurality of electric wires W for detecting the conditions of the electric cells 11, a plurality of retainer portions 29 retaining the detection terminals, and interval adjusting means 40 provided between a plurality of adjacent retainer portions 29 for adjusting the intervals between the retainer portions 29.