The invention relates to an electronic device which comprises a main body, a first battery containing part formed on the main body, and a battery arranged in the first battery containing part, wherein the battery is provided with a conductive slot; one end of the first battery containing part is provided with a conductive element which can be electrically connected with the conductive slot of thebattery and a conductive slot of a standby battery simultaneously; when the battery is replaced, the standby battery is electrically connected with the conductive element; the battery arranged in thefirst battery containing part is taken out; and the standby battery relative to the conductive element rotates into the first battery containing part and is electrically connected with the conductiveelement all the time. The electronic device can replace the battery in the state of galvanization, and has smaller volume and lower cost.