Group 1 - The core viewpoint of the article is that NIO's founder, Li Bin, emphasizes the importance of a battery-swapping and range-extending technology as the ultimate solution for electric vehicles [1] - Li Bin stated that NIO has conducted extensive research and concluded that the best technical approach involves a system that is chargeable, swappable, and upgradable [1] - He also mentioned that the market will ultimately determine the success of these technologies, and it may take 3 to 5 years to assess their effectiveness [1]