Patent ID: 8173293

Claim:
A pouch type battery pack, comprising: a first pouch battery; and a second pouch battery adjacent to the first pouch battery, wherein the first and the second pouch batteries are combined by bonding an edge of the first pouch battery and an edge of the second pouch battery to each other wherein each pouch battery comprises a lower case that defines an opening that receives a battery electrode and has a bottom surface and an upper case that seals the opening that has a surface wherein flanges are formed about an outer edge where the upper case is sealed to the lower case and wherein the first pouch battery and the second pouch battery are folded about the edge of the first and second pouch batteries so that the surface of the upper case of one pouch battery is positioned adjacent the bottom surface of the lower case of the other pouch battery so that the surface of the upper case and the bottom surface of the lower case overlap.