A charger that charges an electronic device, while the electronic device is placed on a placement portion of the charger, the charger comprising: a second fitting portion configured to be fitted to a first fitting portion on a first surface of the electronic device; a fourth fitting portion (142a, 342a) configured to be fitted to a third fitting portion on a second surface that is different from the first surface of the electronic device in a state where the first fitting portion is fitted to the second fitting portion; and a second connection terminal configured to be electrically connected to a first connection terminal of the electronic device when the fourth fitting portion (142a, 342a) is fitted to the third fitting portion of the electronic device, characterized in that the charger further comprises a movable member (142, 342) which surrounds at least the second connection terminal, and is configured to move in a first direction that corresponds to the insertion direction of the electronic device when the electronic device is placed on the placement portion, wherein the fourth fitting portion (142a, 342a) is on a surface of the movable member (142, 342), and includes a projection having an inclined surface that is inclined to the first direction; a first support member (206, 306) that supports the second connection terminal movably in a second direction perpendicular to the first direction; and a second support member (204, 304) that is different from the first support member (206, 306), and supports the movable member (142, 342) movably in at least the second direction, wherein when the third fitting portion is fitted to the fourth fitting portion (142a, 342a), the second connection terminal is moved in the second direction as the movable member (142, 342) is moved in the second direction. a second fitting portion configured to be fitted to a first fitting portion on a first surface of the electronic device; a fourth fitting portion (142a, 342a) configured to be fitted to a third fitting portion on a second surface that is different from the first surface of the electronic device in a state where the first fitting portion is fitted to the second fitting portion; and a second connection terminal configured to be electrically connected to a first connection terminal of the electronic device when the fourth fitting portion (142a, 342a) is fitted to the third fitting portion of the electronic device, a movable member (142, 342) which surrounds at least the second connection terminal, and is configured to move in a first direction that corresponds to the insertion direction of the electronic device when the electronic device is placed on the placement portion, wherein the fourth fitting portion (142a, 342a) is on a surface of the movable member (142, 342), and includes a projection having an inclined surface that is inclined to the first direction; a first support member (206, 306) that supports the second connection terminal movably in a second direction perpendicular to the first direction; and a second support member (204, 304) that is different from the first support member (206, 306), and supports the movable member (142, 342) movably in at least the second direction, wherein when the third fitting portion is fitted to the fourth fitting portion (142a, 342a), the second connection terminal is moved in the second direction as the movable member (142, 342) is moved in the second direction.