Mercedes-Benz and BMW also disclose battery information. Mercedes-Benz batteries are all produced by subsidiaries.

Following Tesla, Mercedes-Benz and BMW also disclosed battery information on their official Korean websites. BMW said that of the 11 models sold in South Korea, two use CATL and the remaining nine use Samsung SDI cells. Mercedes-Benz said that although the company purchases cells from multiple manufacturers, all electric vehicle batteries are produced by 100%-controlled subsidiaries. Its cells mainly come from South Korea's SK on, China's CATL and Farasis, and older models use LG cells.