| 摘要 |
Certain embodiments of the present invention disclose a battery heating circuit, wherein: the battery comprises a battery E1 and a battery E2, the heating circuit comprises: a first charging/discharging circuit, which is connected with the battery E1, and comprises a damping component R1, a current storage component L1, a first switch unit (1) and a charge storage component C, all of which are connected in series to each other; and a second charging/discharging circuit, which is connected to the battery E2, and comprises a damping component R2, a current storage component L2, a second switch unit (2) and the charge storage component C, all of which are connected in series with each other. For example, the battery heating unit provided in certain embodiments of the present invention is applicable to multiple batteries, and can be used to heat up multiple batteries together or separately, and achieve electric quantity balance among the batteries.
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