Battery pack

Abstract

A battery pack having a first direction, a second direction and a third direction perpendicular to each other, characterized in that it comprises a battery pack body, the battery pack body comprising: a housing having a receiving cavity formed therein; a suspension tube penetrating an upper side wall and a lower side wall of the housing along the first direction, and two ends of the suspension tube are connected to the upper side wall and the lower side wall of the housing along an axial direction, respectively, wherein a through hole is formed within the suspension tube along the axial direction; a battery assembly provided in the receiving cavity, the battery assembly comprising a plurality of single-cell batteries, and among the plurality of single-cell batteries, a single-cell battery closest to the suspension tube is a first battery; wherein a distance between the first battery and the suspension tube is y mm and an inner diameter of the through hole is z mm, where 0.6≤y / z≤1.5.

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