Other battery suppliers do exist, but CATL still holds the largest market share. Directly behind CATL is another Chinese supplier, BYD/FinDreams, which also doubles as an EV manufacturer. Korea-based LG Energy Solution sits as the third-largest supplier, while Panasonic, a Japanese-based electronics company, is the fourth-largest.

A key partner for Elon Musk’s Tesla is threatening to sue the U.S. government over the Pentagon’s decision to blacklist it from federal contracts, blasting it as a “mistake.”

The Department of Defense on Monday added the battery giant CATL to its list of "Chinese military companies" operating in the United States.

Ford has a licensing agreement to manufacture electric vehicle batteries with technology from a Chinese company that's under scrutiny at the Pentagon.

The Department of Defense added Contemporary Amperex Technology Co., or CATL, to a list of "Chinese military companies." The company is fighting the designation.