BATTERY PACK

PROBLEM TO BE SOLVED: To provide a battery pack of low cost integrating a cylindrical battery and a snap terminal. SOLUTION: The battery pack comprises cylindrical battery cells 1, the snap terminal 4, an insulating plate 2, an upper and lower outer package plate 3, and an outer package film. The plurality of cylindrical battery cells are connected in series or in parallel and connected to the snap terminal. The insulating plate is arranged in contact with the barrel of the battery cells at both upper and lower side, and the upper and lower outer package plate is arranged in U-shape so as to cover the insulating plates and the cylindrical battery cells. The snap terminal is supported by the end part of the insulating plates and the upper and lower outer package plates, and the outer package film is arranged so as to cover the cylindrical battery cells, the upper and lower outer package plate, and the surrounding part of the snap terminal. COPYRIGHT: (C)2008,JPO&INPIT