A housing element of a battery is disclosed, wherein the housing element (1) is designed to be connected to a further housing element so as to form a common interior space designed for receiving a plurality of battery cells of a battery module, wherein the housing element (1) forms a temperature-control structure (2) on a first side (10) and a covering element (3) is connected to the housing element (1) in such a way that the covering element (3) delimits a flow duct (4), through which temperature-control fluid can flow, in a fluid-tight manner and the temperature-control structure (2) is designed such that the temperature-control fluid can flow around it, wherein furthermore a first element (5) of a battery controller is arranged on the covering element (3) in a thermally conductive manner.