BATTERY HEATING CIRCUIT, BATTERY HEATING SYSTEM, AND BATTERY ASSEMBLY

A battery heating circuit (410), a battery heating system (400), and a battery assembly (510) are provided. The battery heating circuit (410) included an inductor module (110), a capacitor module (120), a first switch module (130), a second switch module (140), and a battery heating module (150). A control terminal of the first switch module (130) is configured to receive a first switch control signal (S1). A control terminal of the second switch module (140) is configured to receive a second switch control signal (S2). The first switch control signal (S1) or the second switch control signal (S2) is a pulse signal. Heating input power of the battery heating module (150) is controlled through the pulse signal and energy storage in the inductor module (110) and the capacitor module (120). Therefore, a power-controllable battery heating method may be implemented.