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<br /> <br /> Page 74 of 111 <br /> <br />Report No.: 2410B0143SHA-001 <br /> <br />TRF No. ANSI/CAN/UL 9540A_Unit <br /> <br />Attachment 2 Sample preparation <br /> <br />The battery system rack is made of metal. A total of 2 racks and 16 modules were provided for the test. The <br />initiating unit was assembled in a closed rack and contained 8 real modules, and 8 dummy modules for the <br />target unit. <br /> <br />The complete modules were conditioned, prior to testing, through charge and discharge cycles for 2 cycles <br />per the manufacturer's instructions to verify that the module was functional. <br /> <br />As manufaturer specified, the module was firstly discharged to end of discharge voltage 40.0V/(2.0V/cell) <br />with constant current 50A and then rested 30 minutes. <br /> <br />Then the cycles of charging and dicharing were stated below and e ach cycle was charged to 100% SOC. <br /> <br />The module was charge to end of charge voltage 56.4V/(3.65V/cell) with constant current 20A and then <br />rested 30 minutes. Next, the module was discharge to end of discharge voltage 40.0V/(2.0V/cell) with <br />constant current 50A and then rested 30 minutes. <br /> <br />After repeating the cycles of charging and discharging above twice and then module was fully charged to <br />100% SOC with constant current 20A to module end charge voltage 56.4V/(3.65V/cell). <br /> <br /> <br /> <br /> <br />Initiating module charge and discharge voltage/current profiles <br /> <br />