Patent ID: 7679318
Filing Date: 2010-03-16
Classification: H01M,Y02E

Abstract:
1. A battery device housed in a single battery housing chamber of an electronic device, comprising: a case having side surfaces located on both ends of a width direction, an upper surface and lower surface located on both ends of a thickness direction, and a front surface and a rear surface located on both ends of a length direction; a charging unit fixed inside the case; and a battery side terminal disposed on the front surface of the case and connected to the charging unit, the battery side terminal configured to connect to a housing chamber side terminal of the electronic device to provide electric power to the charging unit from the electronic device as said charging unit charges and to provide electric power from the charging unit to the electronic device through the battery side terminal as the charging unit discharges, wherein a first engaging recessed part is formed on the front surface of the case of the battery device and a second engaging recessed part is formed on the front surface of the case of the battery device, the first and second engaging recessed parts being separated in the width direction by a gap.