Relevant standards requirement:
Test Object: Battery storage pack or system.
The test object connects all the wiring harness, connector and other parts according to the whole vehicle connection mode. Select one of the following two methods to operate test at the room temperature.
Immerse the test objects (in the direction of real vehicle assembling) into 3.5% NaCl solution (mass fraction, simulated under normal temperature water composition) for 2 hours. The water depth is to be sufficient to completely submerge the test objects.
Test objects according to GB/T4208-2017 part 14.2.7 test method and test process.