This concise book, expertly written by a Li-ion battery specialist, provides an overview of the topic in a format and style that is suitable for non-experts and experts alike. The contents cover essential themes like theory, practice, manufacture and safety. The book describes the technical systems that make up the Li-ion battery, covering themes such as basic principles, manufacturing and safety. It has a wide-ranging audience, acting as a suitable introduction to the field for lay-readers, but is equally as useful and encompassing for students and researchers looking to explore a new topic.