A battery connection module used to connect a plurality of batteries, the battery connection module comprising: a plurality of busbars used to connect the plurality of batteries; a rigid circuit board connected to the plurality of busbars; and at least one connecting assembly used to connect the corresponding busbar and the rigid circuit board, the connecting assembly comprising: a flexible circuit board having a first end portion, a second end portion and a middle portion, the first end portion connecting the corresponding busbar, the second end portion connecting the rigid circuit board, the middle portion connecting the first end portion and the second end portion, the flexible circuit board being provided with a temperature collecting wiring and a voltage collecting wiring; a temperature sensor and a voltage collecting pad respectively provided to the first end portion, the voltage collecting pad being connected to the corresponding busbar, the temperature sensor and the voltage collecting pad being connected to the rigid circuit board at the second end portion respectively via the temperature collecting wiring and the voltage collecting wiring, wherein the connecting assembly further comprises a conducting plate provided between the first end portion of the flexible circuit board and the busbar and/or the conducting plate has an electrical conduction function and a thermal conduction characterised in that the voltage collecting pad is provided to a lower surface of the first end portion and is connected to an upper surface of the conducting plate, the temperature sensor is provided to an upper surface of the first end portion. a plurality of busbars used to connect the plurality of batteries; a rigid circuit board connected to the plurality of busbars; and at least one connecting assembly used to connect the corresponding busbar and the rigid circuit board, the connecting assembly comprising: a flexible circuit board having a first end portion, a second end portion and a middle portion, the first end portion connecting the corresponding busbar, the second end portion connecting the rigid circuit board, the middle portion connecting the first end portion and the second end portion, the flexible circuit board being provided with a temperature collecting wiring and a voltage collecting wiring; a temperature sensor and a voltage collecting pad respectively provided to the first end portion, the voltage collecting pad being connected to the corresponding busbar, the temperature sensor and the voltage collecting pad being connected to the rigid circuit board at the second end portion respectively via the temperature collecting wiring and the voltage collecting wiring, a flexible circuit board having a first end portion, a second end portion and a middle portion, the first end portion connecting the corresponding busbar, the second end portion connecting the rigid circuit board, the middle portion connecting the first end portion and the second end portion, the flexible circuit board being provided with a temperature collecting wiring and a voltage collecting wiring; a temperature sensor and a voltage collecting pad respectively provided to the first end portion, the voltage collecting pad being connected to the corresponding busbar, the temperature sensor and the voltage collecting pad being connected to the rigid circuit board at the second end portion respectively via the temperature collecting wiring and the voltage collecting wiring,