US Patent 11038245 Battery wiring module

Provided is a battery wiring module that can hold busbars until they are connected to a secondary battery. A busbar is configured to connect battery terminals of a plurality of battery cells to each other, and has a recess portion that is recessed in a Z direction, which is a stack direction in which a housing is stacked on the battery cells. The battery wiring module includes a busbar holding portion configured to be inserted into the recess portions, and engage with and hold the busbar in the stack direction in which the housing is stacked on the battery cells.