FOLDABLE ELECTRONIC DEVICE INCLUDING PLURALITY OF BATTERY MODULES AND OPERATING METHOD THEREOF

A foldable electronic device is provided. The foldable electronic device includes a first housing, a hinge module, a second housing mutually rotatably connected with the first housing through the hinge module, a main substrate disposed in an internal space of the first housing, a first battery module disposed in the internal space of the first housing and including a first battery circuit substrate, a second battery module disposed in an internal space of the second housing and including a second battery circuit substrate, a first flexible printed circuit board (FPCB) electrically connecting the main substrate and the first battery circuit substrate, a second FPCB electrically connecting the first battery circuit substrate and the second battery circuit substrate, a first switching circuit configured to control an electrical connection between the first battery module and the main substrate, a second switching circuit configured to control an electrical connection between the second battery module and the main substrate, and a control circuit disposed on the first battery circuit substrate, wherein the control circuit is configured to control the first switching circuit or the second switching circuit based on a difference between a first voltage of the first battery module and a second voltage of the second battery module, to cut off power to the first battery module or the second battery module.