Lithium-ion batteries are prevalent in our society. Lithium is in our laptops, cellphones, house batteries, and electric vehicles. They are becoming more prevalent in RVs, boats, and soon off-grid charging stations. However, there are many different types of lithium. In this video, you’ll learn about the science behind the different types of lithium. Various lithium batteries use different active materials and chemical reactions to store energy. Each type has its own advantages, disadvantages, and ideal applications. The lithium battery types are named after their active materials. Lithium iron phosphate, for example, is named after its chemical symbols - LiFePO4.