An electronic apparatus comprising: a first chassis equipped with a substrate on which a processing device is mounted; a second chassis which is provided adjacently to the first chassis and equipped with a battery device; a hinge device that connects the first chassis and the second chassis in such a manner as to be rotatable relative to each other between a first posture in which the first chassis and the second chassis are stacked to overlap each other in a surface normal direction and a second posture in which the first chassis and the second chassis are arranged side by side in a direction perpendicular in the surface normal direction; a hinge cover which is made of a thermally conductive material, and which is placed so as to extend along a first edge portion of the first chassis that is adjacent to the second chassis and a second edge portion of the second chassis that is adjacent to the first chassis, and sit within a gap formed between the first edge portion and the second edge portion in the first posture, and straddle the first edge portion and the second edge portion in the second posture; the electronic device characterized by: a first thermally conductive member which is provided on an inner surface of the first chassis and arranged to come into contact with the hinge cover in the second posture; and a second thermally conductive member which is provided on an inner surface of the second chassis and arranged to come into contact with the hinge cover in the second posture. a first chassis equipped with a substrate on which a processing device is mounted; a second chassis which is provided adjacently to the first chassis and equipped with a battery device; a hinge device that connects the first chassis and the second chassis in such a manner as to be rotatable relative to each other between a first posture in which the first chassis and the second chassis are stacked to overlap each other in a surface normal direction and a second posture in which the first chassis and the second chassis are arranged side by side in a direction perpendicular in the surface normal direction; a hinge cover which is made of a thermally conductive material, and which is placed so as to extend along a first edge portion of the first chassis that is adjacent to the second chassis and a second edge portion of the second chassis that is adjacent to the first chassis, and sit within a gap formed between the first edge portion and the second edge portion in the first posture, and straddle the first edge portion and the second edge portion in the second posture; the electronic device characterized by: a first thermally conductive member which is provided on an inner surface of the first chassis and arranged to come into contact with the hinge cover in the second posture; and a second thermally conductive member which is provided on an inner surface of the second chassis and arranged to come into contact with the hinge cover in the second posture. a first thermally conductive member which is provided on an inner surface of the first chassis and arranged to come into contact with the hinge cover in the second posture; and a second thermally conductive member which is provided on an inner surface of the second chassis and arranged to come into contact with the hinge cover in the second posture.