An electronic device in which a battery can be positioned in a diameter direction, the battery can be brought into contact with a positive terminal member 50 stably and sufficiently, and a portion housing the battery and a case body can be molded individually from optimal materials is provided. The electronic device 1 includes a battery frame 30 in which a battery is housed, a holding portion 40 removably holding the battery frame on a bottom wall portion 10a such that a battery insertion opening 16 communicates with the interior of the battery frame, and a battery lid 70 removably fixed to the bottom wall portion to cover the battery insertion opening, wherein the battery frame includes a circumferential wall portion 31 surrounding the battery outside in a diameter direction, and a positive terminal holding portion 33 fixing the positive terminal member such that a battery side contact portion 52 of the positive terminal member is disposed inside the circumferential wall portion, and a portion of an inner circumferential face of the circumferential wall portion serves as a battery guide face positioning the battery in the diameter direction and bringing the battery into contact with the battery side contact portion.