CATL, a Chinese company that is at the forefront of supplying the world's EV battery packs, announced a new technology at the Beijing auto show last week that could see as much as 621-miles ...

The 25# battery swap block is suited for A and B class electric vehicles, offering up to 373 mile (600 km) range. A class vehicles in China are compact cars like the BYD Dolphin, while B class ...