Battery pack and power-consuming device thereof

Abstract

Battery pack, characterized in that the battery pack comprises: a housing (10); a separator (20) provided in the housing (10), wherein the separator (20) extends in a first direction and divides the housing (10) into at least two independent battery chambers (11); at least two battery groups (30), wherein the battery groups (30) are each provided in the battery chambers (11), and the battery groups (30) are connected in series and / or parallel with each other in the individual battery chambers (11); a housing cover (40) provided to cover the battery chambers (11);a sealing arrangement (50) comprising a first sealing element (51) and several connecting elements (52), wherein the first sealing element (51) is provided between a lower surface of the housing cover (40) and an upper surface of the separating support (20), wherein several connecting holes (21) are provided in the separating support (20) which are spaced apart from one another in the first direction, wherein the several connecting holes (21) correspond to the several connecting elements (52) in a one-to-one manner, and wherein the housing cover (40) is firmly connected to the connecting holes (21) by means of the connecting elements (52); wherein the distance between two adjacent connecting holes (21) is D mm, where 30 mm ≤ D mm ≤ 80 mm.