The term “Lithium” or “Lithium Ion” refers to a family of batteries in which ions move from the negative electrode (anode) to the positive electrode (cathode) during discharge and back again when being charged. The point to note in this definition is that it refers to a “family of batteries”. Just like Lead Acid family which contains Absorbent Glass Mat (AGM) and Gel types, there are a number of different “Lithium Ion” technologies within the Lithium Ion family. They each utilize different materials for their cathode and (to a lesser degree) anode and as a result exhibit different characteristics, which makes some more suitable than others for different applications.