BATTERY CELL, BATTERY PACK, AND ELECTRONIC DEVICE

A battery cell (1), a battery pack (100), and an electronic device (1000) are provided. The battery cell (1) includes: a housing (10), including an end wall (11) and a side wall (12) surrounding the end wall (11), wherein the end wall (11) and the side wall (12) are enclosed to form an accommodating cavity (13); an electrode assembly (20), located in the accommodating cavity (13), wherein the electrode assembly (20) includes a positive electrode sheet (21), a separator (22), and a negative electrode sheet (23) stacked and wound to form a wound structure (201), the wound structure (201) includes a first end provided with a positive electrode tab (211) and a second end provided with a negative electrode tab along a height direction (H); and a first insulation film (40), encircling around an outer periphery of the wound structure (201) close to the first end.