Why would USA be worried about that? There are no US EV manufacturer that uses their own battery tech, they use licensed technologies. Yes Tesla uses bigger batteries, that apparently is a technological problem of itself, but it’s still licensed Panasonic tech. The 4th largest.
These are the 10 biggest, and the biggest American battery maker is nr 8, Farasis Energy with 2% global marketshare. So it’s not like USA has a lot to lose in this segment. cleantechnica.com/…/top-battery-producers-in-the-…
Edit:
The worry is apparently dependency on China, but there are alternatives, like LG and Samsung from South Korea and Panasonic from Japan. AND USA even has it’s own Farasis Energy. It’s not like China has a monopoly.