Related Link: Apple in Talks with Tesla Supplier CATL for Battery Supply Deal: Report Why It's Important: CATL is the top battery manufacturer in China, and in 2021 it reportedly commanded a 52.1% of the market. The planned foray into battery swapping would be a logical extension for the company to leverage its dominant position in battery manufacturing. The battery assets related to the Battery-as-a-service offering announced by Nio in 2020 is being managed by Mirattery, a joint venture company led by CATL and Nio.