The invention relates to a device comprising a housing and a battery (2), the housing having a base (6) and side walls (7) and the battery (2) having a retainer (12). The retainer (12) is connected to the housing such that the battery (2) is secured so that it is suspended in the housing, the base (8) of the battery (2) being at a distance from the base (6) of the housing and side walls of the battery (2) being at a distance from the side walls (7) of the housing.