7.6 Endurance in cycles7.6.1 GeneralThis test determines the number of charge/discharge cycles which a cell or battery can endure before its useful capacity has been significantly depleted or the remaining capacity after a specified number of cycles.Prior to charging, the cell or battery shall be discharge at 20℃ at a constant current of 0.2 It A, down to a specified final voltage.The following endurance test shall then be carried out, irrespective of cell designation, in an ambient temperature of 20℃. Charge and discharge shall be carried out in accordance with the conditions specified in either Table 3 and Table 4.