Power supply circuit and working method thereof and electronic equipment

The invention discloses a power supply circuit and a working method thereof and electronic equipment. The power supply circuit is applied to the electronic equipment, the input voltage needed when the power supply circuit is charged is different from the output voltage needed when the power supply circuit is discharged, and the power supply circuit comprises an input end, an output end, two or more battery packs and two or more switches; the input end is used for being connected with an external power supply and charging the battery packs, and the output end is used for supplying power to the electronic equipment; each battery pack comprises more than one rechargeable battery; the switches are used for switching the connection relation of the battery packs between series connection and parallel connection. 本发明公开了种电源电路及其工作方法、电子设备，其中，所述电源电路应用于电子设备中，所述电源电路在充电时的输入电压与所述电源电路在放电时的输出电压不同，所述电源电路包括：输入端、输出端、多组电池组和多个开关，其中，所述输入端用于连接外部电源并向所述多组电池组充电，所述输出端用于向所述电子设备进行供电，所述多组电池组包括两组及两组以上的电池组，所述多个开关包括两个及两个以上的开关；所述多组电池组中的每组电池组都包