Electronic device

An electronic device comprising:

• a battery including a first end portion in a plan view, the first end portion including a first engagement portion;
• a first case member including an accommodation portion where the battery is accommodated;
• a slide member which is held by the first case member and is slidable along the first end portion, the slide member including a first structure which prevents the slide member from dropping off from the first case member, and
• the slide member being able to take a first position at which the slide member is in engagement with the first engagement portion and a second position at which the slide member is not in engagement with the first engagement portion as a result of sliding along the first end portion, wherein the slide member can take a third position which is different from the first position and the second position at which the slide member is attachable to and removable from the first case member as a result of sliding along the first end portion;
• and
• a second case member attached to the first case member, wherein the second case member includes a first protrusion inserted in a space in which the slide member slides while the second case member is attached to the first case member and the slide member is prevented from taking the third position while the first protrusion is inserted in the space.