This self-paced course on Battery Pack Designing Essentials offers a comprehensive introduction to the principles and practices involved in designing modern battery packs. Ideal for engineers, product developers, and technical enthusiasts, the course covers a wide range of topics including battery chemistry fundamentals, cell selection, series and parallel configurations, thermal and mechanical design, and the integration of Battery Management Systems (BMS). Participants will also learn about critical safety considerations, thermal management strategies, and enclosure design. Through real-world case studies, design tools, and simulation techniques, learners will gain practical insights into building efficient, reliable, and scalable battery packs for applications such as electric vehicles, consumer electronics, and renewable energy systems. The flexible, self-paced format allows learners to progress at their own speed, with access to downloadable resources, design templates, and a supportive learning community. Upon completion, participants will have the foundational knowledge and confidence needed to approach battery pack design with a professional and practical mindset.