3.6 customer party that is interested in using the battery pack or system and therefore orders or performs the test EXAMPLE A vehicle manufacturer. 3.7 device under test DUT battery pack or battery system 3.8 electric drive combination of a traction motor, power electronics and their associated controls for the conversion of electric to mechanical power and vice versa 3.9 electrically propelled vehicle vehicle with one or more electric drive(s) (3.8) for vehicle propulsion 3.10 energy density amount of stored energy related to the battery pack (3.2) or system (3.3) volume Note 1 to entry: The battery pack or system includes the cooling system, if any, to the point of a reversible attachment of the coolant lines or air ducts, respectively. Note 2 to entry: Energy density is expressed in watt hours per litre (Wh/l).