The disclosed technology relates to battery pack that includes a first prismatic cell having a first surface, and a second prismatic cell having a second surface, wherein the first prismatic cell and the second prismatic cell are electrically coupled and arranged such that the first surface and the second surface form an L-shaped pack surface. In some aspects, the battery pack includes an adhesive that is disposed on the pack surface away from a junction between the first surface and the second surface. A battery-powered electronic device and method of manufacture are also provided.