Battery box, battery and electrical device

Abstract

A battery box comprising a top cover; the top cover comprising a cover body and a pressure strip; the circumferential edge of the cover body being provided with a flange, the flange having a first surface, the first surface being the surface of the flange facing away from a lower box of the battery box; the pressure strip being connected abutting the first surface of the flange; the first surface of the flange having several spaced-apart connecting parts, the connecting parts projecting through the pressure strip in a direction away from the first surface and the connecting parts covering at least a part of the surface of the pressure strip facing away from the first surface and being able to connect the pressure strip and the flange.

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