ELECTRONIC DEVICE

An electronic device (100), comprising: a housing (1), a battery (2), and a circuit board assembly (3). The housing (1) is provided with a power interface (10). The battery (2) comprises a battery protection board (21) and a cell (22). The circuit board assembly (3) is disposed in the housing (1) and is electrically connected to the power interface (10). The circuit board assembly (3) comprises a main first board (31), a sub-second board (32), a first flexible circuit board (33), and a second flexible circuit board (34). The first flexible circuit board (33) is connected to the battery (2) protection board and the main first board (31), and the second flexible circuit board (34) is connected to the battery (2) protection board and the sub-second board (32).