Certain embodiments of the present invention provide a battery heating circuit, wherein: the battery comprises a first battery and a second battery; the heating circuit comprises a first switch unit, a second switch unit, a damping component R1, a damping component R2, a current storage component L3, a current storage component L4, a switching control module and an energy storage component V1; the first battery, the damping component R1, the current storage component L3, the energy storage component V1 and the first switch unit are connected in series to constitute a first charging/discharging circuit; the second battery, the damping component R2, the current storage component L4, the energy storage component V1 and the second switch unit are connected in series to constitute a second charging/discharging circuit.