Abstract: A battery temperature regulation device having a main body; and one or more additional bodies that are arranged on and/or are arrangeable on the main body. The main body and/or the one or more additional bodies that are arranged on and/or are arrangeable on the main body each comprise one or more receiving openings for receiving battery cells, wherein receiving openings of the main body are preferably arranged to be coaxial with respective receiving openings of the one or more additional bodies that are arranged on the main body, wherein each battery temperature regulation module comprises a sealing element arrangement for sealing in the area of the receiving openings and/or for sealing between the main body and one or more additional bodies, and wherein the sealing element arrangement comprises one or more sealing elements which are arranged on, in particular are moulded onto the main body and/or onto each additional body.