A battery module, comprising: a number of batteries greater than or equal to four; the batteries being arranged in an arrangement direction and the batteries being provided with electrodes arranged in a plan (M1, M2) defined by said arrangement direction and a first direction perpendicular thereto; a neighbor electrode connector configured to electrically connect a plurality of the batteries arranged adjacent to each other; a jumper electrode connector configured to electrically connect a plurality of the batteries arranged at intervals; the side of the jumper electrode connector facing an outside of the battery module in the first direction is provided with a notch, and the neighbor electrode connector is arranged in the notch; the battery module further comprises a wire harness plate located between the batteries and the jumper electrode connector, a surface, of the jumper electrode connector, close to the wire harness plate being a first surface; the battery module further comprises a signal acquisition structure, wherein the signal acquisition structure is electrically connected to the jumper electrode connector and to the neighbor electrode connector, the signal acquisition structure comprising a transmission portion; and the signal acquisition structure further comprises a collection portion electrically connected to the transmission portion, characterised in that: a gap is formed between at least one partial region of the first surface of the jumper electrode connector and the wire harness plate; the transmission portion of the signal acquisition structure passes through said gap; and the collection portion comprises a first collection terminal and a second collection terminal, the first collection terminal being electrically connected to the jumper electrode connector, and the second collection terminal being electrically connected to the neighbor electrode connector. a number of batteries greater than or equal to four; the batteries being arranged in an arrangement direction and the batteries being provided with electrodes arranged in a plan (M1, M2) defined by said arrangement direction and a first direction perpendicular thereto; a neighbor electrode connector configured to electrically connect a plurality of the batteries arranged adjacent to each other; a jumper electrode connector configured to electrically connect a plurality of the batteries arranged at intervals; the side of the jumper electrode connector facing an outside of the battery module in the first direction is provided with a notch, and the neighbor electrode connector is arranged in the notch; the battery module further comprises a wire harness plate located between the batteries and the jumper electrode connector, a surface, of the jumper electrode connector, close to the wire harness plate being a first surface; the battery module further comprises a signal acquisition structure, wherein the signal acquisition structure is electrically connected to the jumper electrode connector and to the neighbor electrode connector, the signal acquisition structure comprising a transmission portion; and the signal acquisition structure further comprises a collection portion electrically connected to the transmission portion, characterised in that: a gap is formed between at least one partial region of the first surface of the jumper electrode connector and the wire harness plate; the transmission portion of the signal acquisition structure passes through said gap; and the collection portion comprises a first collection terminal and a second collection terminal, the first collection terminal being electrically connected to the jumper electrode connector, and the second collection terminal being electrically connected to the neighbor electrode connector. a gap is formed between at least one partial region of the first surface of the jumper electrode connector and the wire harness plate; the transmission portion of the signal acquisition structure passes through said gap; and the collection portion comprises a first collection terminal and a second collection terminal, the first collection terminal being electrically connected to the jumper electrode connector, and the second collection terminal being electrically connected to the neighbor electrode connector.