Abstract: A wiring module is attached to a plurality of power storage elements and includes an FPC, a reinforcing plate attached to the FPC, and a protector for holding the FPC and the reinforcing plate. The FPC is electrically connected to electrode terminals of the plurality of power storage elements. The reinforcing plate has an attachment surface to which the FPC is attached. The protector is provided with a mounting recess where the reinforcing plate is mounted. The mounting recess includes a plurality of side surface portions for suppressing displacement of the reinforcing plate in a direction that is perpendicular to a plate thickness direction of the reinforcing plate and an engaging portion for engaging an end portion of the attachment surface and suppressing displacement of the reinforcing plate in the plate thickness direction.

Abstract: A wiring module that is attached to a plurality of power storage elements, including: a circuit board; an electric wire; and a protector configured to hold the circuit board and the electric wire, wherein a conductive path is routed on the circuit board, and the conductive path includes a connection land that is electrically connected to an electrode terminal of a power storage element among the plurality of power storage elements, an electric wire land that is connected to one end of the electric wire, and a fuse portion provided between the connection land and the electric wire land.

Abstract: A polycarbonate resin having a high refractive index, a low Abbe number and a high moisture and heat resistance is provided. In an embodiment, a polycarbonate resin including a structural unit represented by general formula (1) below is provided.

Abstract: An external connection bus bar to be connected to a storage element group having a plurality of storage elements and having an output electrode terminal for outputting electric power to an external circuit includes a main body portion to be connected to the output electrode terminal, an external connection terminal to be connected to an external circuit, and a circuit board connection portion to be soldered to a bus bar land provided on the circuit board. The external connection terminal is provided between the main body portion and the circuit board connection portion.

Abstract: A wiring module is a wiring module that is attached to a plurality of power storage elements, and includes: a busbar that is connected to electrode terminals of the plurality of power storage elements, an electric wire, and a circuit substrate that connects the busbar and one end of the electric wire, a conductive path is routed on the circuit substrate, and the conductive path includes: a busbar land connected to the busbar, an electric wire land connected to the electric wire, and a fuse portion provided between the busbar land and the electric wire land.

Abstract: A wiring module is to be attached to multiple power storage elements. The wiring module includes a busbar connected to electrode terminals of the multiple power storage elements, a circuit board connected to the busbar with solder, and a protector configured to hold the busbar and the circuit board. The protector includes a busbar arrangement surface on which the busbar is disposed and a board arrangement surface on which the circuit board is disposed. The board arrangement surface and the busbar arrangement surface are perpendicular to each other.

Abstract: A battery wiring module is attached to a battery cell stack including a plurality of battery cells stacked and including electrode leads, to electrically connect the plurality of battery cells with each other. The battery wiring module includes: busbars having a plate shape; a flexible printed circuit board including board-side connection portions; and a protector holding the busbars and the flexible printed circuit board. The busbars include main bodies connected to the electrode leads, and busbar-side connection portions connected to the board-side connection portions. In the protector, the main bodies of the busbars, and the flexible printed circuit board are arranged perpendicularly to each other.

Abstract: A battery wiring module is to be attached to multiple battery cells being long in a front-rear direction and including electrode leads at front ends and rear ends of the multiple battery cells to electrically connect the multiple battery cells. The battery wiring module includes a first busbar module to be attached to a front section of the multiple battery cells and a second busbar module that is a separate component from the first busbar module and to be attached to a rear section of the multiple battery cells. The first busbar module includes first busbars that are to be connected to the electrode leads protruding frontward from the multiple battery cells, a first flexible printed circuit board that is to be connected to the first busbars, and a first protector that holds the first busbars and the first flexible printed circuit board.