An electronic device, comprising: a housing, with a power interface being defined on the housing; a battery, arranged in the housing, and comprising: a battery protection board; and a cell; a circuit board assembly, arranged in the housing, electrically connected to the power interface, and comprising: a first board, located at one side of the battery; a second board, located at the other side of the battery; a first flexible circuit board, connected to the battery protection board and the first board; and a second flexible circuit board, connected to the battery protection board and the second board; wherein the first board and the second board are arranged at intervals along a first direction, and the battery protection board and the cell are arranged in sequence along a second direction perpendicular to the first direction; wherein the housing comprises: a first side edge; a second side edge, opposite to and parallel to the first side edge; a third side edge; and a fourth side edge, opposite to and parallel to the third side edge; wherein the first side edge is arranged at one side of a length direction of the third side edge and the fourth side edge, the second side edge is arranged at the other side of the length direction of the third side edge and the fourth side edge, the first board is arranged at a side of the second board adjacent to the first side edge, the second board is arranged at a side of the first board adjacent to the second side edge, and the battery protection board is parallel to the third side edge and the fourth side edge; wherein the power interface comprises a first sub power interface arranged on the first side edge, and the first sub power interface is electrically connected to the first board and configured to charge the battery through the first flexible circuit board; wherein the power interface comprises a second sub power interface arranged on the second side edge, and the second sub power interface is electrically connected to the second board and configured to charge the battery through the second flexible circuit board. a housing, with a power interface being defined on the housing; a battery, arranged in the housing, and comprising: a battery protection board; and a cell; a battery protection board; and a cell; a circuit board assembly, arranged in the housing, electrically connected to the power interface, and comprising: a first board, located at one side of the battery; a second board, located at the other side of the battery; a first flexible circuit board, connected to the battery protection board and the first board; and a second flexible circuit board, connected to the battery protection board and the second board; a first board, located at one side of the battery; a second board, located at the other side of the battery; a first flexible circuit board, connected to the battery protection board and the first board; and a second flexible circuit board, connected to the battery protection board and the second board; wherein the first board and the second board are arranged at intervals along a first direction, and the battery protection board and the cell are arranged in sequence along a second direction perpendicular to the first direction; wherein the housing comprises: a first side edge; a second side edge, opposite to and parallel to the first side edge; a third side edge; and a fourth side edge, opposite to and parallel to the third side edge; a first side edge; a second side edge, opposite to and parallel to the first side edge; a third side edge; and a fourth side edge, opposite to and parallel to the third side edge; wherein the first side edge is arranged at one side of a length direction of the third side edge and the fourth side edge, the second side edge is arranged at the other side of the length direction of the third side edge and the fourth side edge, the first board is arranged at a side of the second board adjacent to the first side edge, the second board is arranged at a side of the first board adjacent to the second side edge, and the battery protection board is parallel to the third side edge and the fourth side edge; wherein the power interface comprises a first sub power interface arranged on the first side edge, and the first sub power interface is electrically connected to the first board and configured to charge the battery through the first flexible circuit board; wherein the power interface comprises a second sub power interface arranged on the second side edge, and the second sub power interface is electrically connected to the second board and configured to charge the battery through the second flexible circuit board.