The test shall be performed at three different temperatures (40 °C, 0 °C and −18 °C) with the discharge rates 1 C, 10 C and the maximum C rate as permitted by the supplier (the maximum C rate corresponds to Id,max). The test shall be performed at least at four different temperatures (40 °C, 0 °C, −10 °C and −18 °C, the test at Tmin shall be optional) with the discharge rates C/3, 1C, 2C and the maximum C rate as permitted by the supplier (the maximum C rate corresponds to Id,max).