Chinese EV maker Nio (NIO) and battery giant Contemporary Amperex Technology Limited (CATL) have disclosed a partnership to build a vast

CATL and Nio have signed an agreement to support each other by establishing a nationwide battery-swapping network in China that use both Nio's swap tech and CATL's Choco-swap technology. CATL's Choco-swap offers batteries for subcompact to midsized cars ranging from 42 kWh to 70 kWh.

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,