7.2.2.2 High-energy battery pack and system 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). The test sequence shall be performed as specified in Table 4. Table 4 — Test sequence energy and capacity test at different temperature and discharge rates for high-energy battery packs and systems