Chinese electric vehicle maker Nio announced its partnership with CATL to establish a battery swapping network for cars. CATL will support Nio in developing the battery swapping network while the battery giant's Choco-Swap technical standards and network will be introduced to Firefly-branded newly developed models,

On March 17, 2025, CATL and NIO signed a strategic partnership in Ningde, Fujian. Together, the two parties aim to build the

The world’s largest battery manufacturer, Contemporary Amperex Technology Co. Ltd., has agreed to invest up to 2.5 billion yuan ($346 million) in building out a battery-swapping network across China in collaboration with electric vehicle maker Nio Inc.