A 5-minute charge to go 320 miles. Chinese EV battery giant CATL says its tech is even better than Tesla-killer BYD’s

China’s Contemporary Amperex Technology (CATL), the world’s largest producer of electric vehicle batteries, has unveiled an upgraded battery it says promises an even longer range than rival BYD’s cutting-edge technology. Both tech giants now boast they have batteries that can charge EVs in as…