BATTERY CELL, BATTERY PACK, AND ELECTRONIC DEVICE

A battery cell, a battery pack, and an electronic device are provided. The battery cell includes: a housing, including an end wall and a side wall surrounding the end wall, wherein the end wall and the side wall are enclosed to form an accommodating cavity; an electrode assembly, located in the accommodating cavity, wherein the electrode assembly includes a positive electrode sheet, a separator, and a negative electrode sheet stacked and wound to form a wound structure, the wound structure includes a first end provided with a positive electrode tab and a second end provided with a negative electrode tab along a height direction, a direction from the second end to the first end is a preset direction; and a first insulation film, encircling at least one turn around an outer periphery of the wound structure close to the first end.