Key Roles and ResponsibilitiesBattery Diagnostics: Testing, balancing, and replacing lithium-ion battery modules and managing thermal cooling systems.Powertrain Maintenance: Troubleshooting electric motors, inverters, and onboard DC-DC converters.Electrical Testing: Using multimeters, oscilloscopes, and specialized diagnostic software to trace CAN bus and communication faults.High-Voltage Safety: Following strict isolation protocols, using insulated