Education is rapidly changing today, and innovations in teaching and learning opportunities are important moves to undertake to keep paced with these changes and challenges. This study aimed to design a 24-volt automotive charging system trainer and tester bench that can be used as a learning aid for automotive charging lessons. It also described the process involved in its development. It used a descriptive research design. Interview with professionals whose expertise is in line with the project was done to intensify the viability of the study. It was found that 24-volt automotive charging system trainer and tester bench can be made as instructional material for automotive lessons. It can be used as an alternator test bench beneficial to automotive electrical shops and research and development practitioners. There were steps to undertake to be able to come up with the trainer and tester bench. The design when developed may be used as a trainer and tester bench when undertaking automotive charging lessons. Further studies and testing on the developed product may be done. Research on its effectiveness may likewise be conducted to affirm its use as instructional material. Innovations on this developed product are encouraged to fully maximize its potential as instructional material, trainer and tester bench.