BATTERY CELL AND BATTERY

The present disclosure provides a battery cell and a battery, wherein the battery cell comprises: a battery cell body and a film casing, the film casing being wrapped around the exterior of the battery cell body, the battery cell body comprising a negative electrode plate, the negative electrode plate comprising a first current collector and a first coating, the first coating comprising graphite, the film casing having a plurality of vertices, each vertex comprising a first edge corner portion, a second edge corner portion, and a third edge corner portion intersected; the film casing and the battery cell body satisfy: 750≤(abc)/(Wa×Wb×Wc)≤90000. The disclosure solves the technical problem that film casings are prone to fracture and damage.