BATTERY CELL

This application provides a battery cell, which relates to the technical field of battery cells. The battery cell includes a housing, wherein an explosion-proof structure is provided on the housing; a valve opening area S of the explosion-proof structure, a valve opening pressure P of the explosion-proof structure, an electrolyte injection amount m of the battery cell, and a capacity C of the battery cell satisfy 2.4≤S×P−C/(m×1000)≤5.4.