Chinese auto manufacturer NIO is based in Shanghai and was founded in 2014 . NIO is known for manufacturing electric SUVs and developing battery swapping technology . Recently , CEO William Li live-streamed a 14-hour road trip without stopping to recharge .

“ The completion of this endurance challenge proves the product power of the 150kWh ultra-long endurance battery pack ,” Li posted on Weibo . “ This battery is currently the battery pack with the highest energy density in mass production in the world and has excellent safety performance .”

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