Patent ID: 8416561

Claim:
An electronic apparatus comprising a battery-mounting structure, the battery mounting structure comprising: a first housing comprising a first end; a second housing comprising a second end and a display device, the display device comprising a display screen; a hinge attached to the first end, the hinge configured to attach the second housing to the first housing rotatably between a first position and a second position, the display screen covered with the first housing in the first position and the display screen not covered with the first housing in the second position; and a battery pack configured to be attached to the first end, the battery pack comprising: a first portion configured to receive a first cell; a second portion farther from a center of the first housing than the first portion, the second portion configured to receive a cylindrical second cell; and a third end comprising a first recess and configured to face the second end in the second position, the second portion shifted to the second housing relative to the first portion in the first position, wherein the first housing is configured to be on an outer placement surface, and the second end is configured to be between the first recess and the outer placement surface in the second position, the hinge comprises a rotation shaft, the rotation shaft farther from the second housing in the first position than a center of the second cell.