Battery and battery pack

Abstract

Battery comprising: a housing (1); a battery terminal (3) arranged on the housing (1); and a stacked battery cell (2) arranged in the housing (1), the stacked battery cell (2) comprising a cell body (22) and a terminal tab (21) extending from one of the ends of the cell body (22) in a first direction; the terminal tab (21) being configured to be electrically connected to the battery terminal (3); the terminal tab (21) comprising a positive terminal tab (211) and a negative terminal tab (212), the positive terminal tab (211) and the negative terminal tab (212) being located at the same end of the cell body (22) in the first direction, and the positive terminal tab (211) and the negative terminal tab (212) being spaced apart in a second direction, the second direction being perpendicular to the first direction;wherein the distance between the positive terminal tab (211) and the negative terminal tab (212) in the second direction is a1 and the width of the stacked battery cell (2) in the second direction is a2, where a = a1 / a2, where the length of the cell body (22) in the first direction is b in mm, and where 8 mm ≤ b·a ≤ 350 mm.;

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