•CAD Design: Created detailed 3D models and technical drawings of battery components using SolidWorks, ensuring accuracy.•Prototype Development & Testing: Assisted in the making of battery prototypes and conducted AIS tests to evaluate battery performance and durability.•Design Documentation: Prepared and maintained comprehensive design documentation, including specifications, test plans, and reports, to support project development and regulatory compliance.•Technical Support: Provided technical support to manufacturing and quality assurance teams, addressing design-related issues and implementing solutions to optimize production processes.

•Quality Control: Conducted inspections on line and dispatch, identifying and addressing defects to maintain product quality and meet customer standards.•Documentation and Reporting: Prepared detailed quality reports, including DQMS and check sheets.•Process Improvement: Collaborated with the manufacturing team to identify process inefficiencies and implement corrective actions, resulting in reduction in production defects.