A flexible battery connection method can be used to connect one end of a flexible printed circuit board (PCB) strip with a small battery cell to maximize space within a small form factor electronic device. One end of the PCB strip can be plugged into the device circuit board through a flexible printed circuit connector (FPC) or through a board to board connector (B2B). The other end of the flexible PCB strip can be spot welded to the battery. In this way, the flexible PCB strip can be wrapped around the battery. Alternatively, or additionally, the flexible PCB strip can also be spot welded to the side of the battery.
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Lapetina, John and Mirov, Russell, "FLEXIBLE BATTERY CONNECTION", Technical Disclosure Commons, (February 03, 2016)