An electronic device includes a back cover, a mounting frame fixed to inner surface of the back cover, a battery connector, a sliding member and a driving member. The battery connector is fixed to the sliding member and is configured for connecting to a battery of the electronic device. The mounting frame includes a guide portion. The driving member driving member is connected to the back cover 20 and externally accessible and is capable of rotating in response to user operation; and sliding member is configured for moving only along the guide portion; when the driving member is rotated, the driving member drives the sliding member to move and then establish or discontinue the connection between the battery connector and the battery.