The battery manufacturers for Magnum has been generous in sharing this information.
NCM is the cathode - a compound made of Ni, Co and Mn in a certain proportion. It is one of the most common cathodes used in cells and you can find them in many electric cars, Tesla Power wall, and variety of other automobiles and storage devices.
As I thought, somebody forgot to translate the specs from Engineer to Marketing. And Ravi I don't know that they were SO generous; from your infographic it looks like there are several formulations of the compound so no trade secrets given away.