A wiring module to be attached to a plurality of power elements which store or generate power includes a bus bar connecting the power elements to each other or connecting the power element and a load to each other, an abnormality detection element detecting an abnormality of the power element, and an insulating protector holding the bus bar and the abnormality detection element. The insulating protector is integrally provided with a first holding shaft portion and a second holding shaft portion which position and hold the bus bar by fitting the bus bar there onto, and an element holding portion which position and hold the abnormality detection element by fitting the abnormality detection element there into.

A busbar module includes: busbars that are fixed to battery cells of a battery module; a plate-like flexible circuit body that includes conductors corresponding to the busbars; and a case that accommodates the circuit body and the busbars, in which the circuit body includes a trunk portion and a branch portion connected to the busbar, the branch portion includes a base layer, a metal foil that is the connection conductor, and a coating layer that covers the base layer and the metal foil, the branch portion has a facing portion faces a first surface of the busbar, the metal foil is connected to a connection target at a portion that is more adjacent to a distal end than the facing portion is, and the first surface has a groove-shaped recess provided at a portion facing the metal foil.

A busbar module includes: busbars that are fixed to battery cells of a battery module; a plate-like flexible circuit body that includes conductors corresponding to the busbars; and a case that accommodates the circuit body and the busbars, in which the circuit body includes a trunk portion and a branch portion connected to the busbar, the branch portion includes a base layer, a metal foil that is the connection conductor, and a coating layer that covers the base layer and the metal foil, the branch portion has a facing portion faces a first surface of the busbar, the metal foil is connected to a connection target at a portion that is more adjacent to a distal end than the facing portion is, and the first surface has a groove-shaped recess provided at a portion facing the metal foil.

A multifunctional high-voltage connector and a battery product are disclosed. The multifunctional high-voltage connector includes: a fuse, a socket, and a plug. The socket includes a base and a socket terminal. The plug includes a seat and a plug terminal. The base includes: a first main body portion; a first accommodating portion, protruding from the first main body portion; and a second accommodating portion, protruding from the first main body portion and provided to be spaced apart from the first accommodating portion. The fuse is accommodated in the first accommodating portion. At least a part of the socket terminal is accommodated in the second accommodating portion. The seat of the plug is inserted into the second accommodating portion of the base.

A multifunctional high-voltage connector and a battery product are disclosed. The multifunctional high-voltage connector includes: a fuse, a socket, and a plug. The socket includes a base and a socket terminal. The plug includes a seat and a plug terminal. The base includes: a first main body portion; a first accommodating portion, protruding from the first main body portion; and a second accommodating portion, protruding from the first main body portion and provided to be spaced apart from the first accommodating portion. The fuse is accommodated in the first accommodating portion. At least a part of the socket terminal is accommodated in the second accommodating portion. The seat of the plug is inserted into the second accommodating portion of the base.

A battery module includes: a plurality of battery cells; a module case configured to accommodate the plurality of battery cells; an electrode terminal provided outside the module case; and a fuse assembly provided to be attachable to or detachable from an outer side of the module case, and including a busbar having one end connected to the electrode terminal and the other end connected to an external cable and configured to break when an overcurrent occurs, and a fuse case configured to accommodate the busbar.

A battery module includes: a plurality of battery cells; a module case configured to accommodate the plurality of battery cells; an electrode terminal provided outside the module case; and a fuse assembly provided to be attachable to or detachable from an outer side of the module case, and including a busbar having one end connected to the electrode terminal and the other end connected to an external cable and configured to break when an overcurrent occurs, and a fuse case configured to accommodate the busbar.

A first fuse device includes a first conductor, at least a portion of the conductor being functioning as a fuse, and a first wiring electrically connected to the first conductor. At least a portion of the first wiring passes through a first space of the first conductor, the first space being defining the fuse.

A first fuse device includes a first conductor, at least a portion of the conductor being functioning as a fuse, and a first wiring electrically connected to the first conductor. At least a portion of the first wiring passes through a first space of the first conductor, the first space being defining the fuse.

A first voltage detection device includes a first holding body, a first voltage detection portion held by the first holding body, and a first conductor attached to the first holding body, at least a portion of the conductor being functioning as a fuse.