The Tang L starts at 229,800 yuan ($31,000) and stretches to 289,800 yuan ($40,000). None of this would be possible without a battery that's up for the job. But BYD's Flash Charging Battery was ...

BYD had flagged its higher-than-expected first-quarter numbers in a filing earlier this month, days after it touted a new EV battery system that can charge for 400 km in just five minutes. The new ...