Tesla has spent years promoting its 4680 battery cell as the key to cheaper, longer-range electric vehicles. Yet the company’s own regulatory filings and the underlying science tell a far less ...

Five years after Tesla (TSLA) unveiled its 4680 battery cell at Battery Day with promises of 5x the energy, 6x the power, and 16% more range, the data tells a very different story. Tesla’s homemade ...

During the fourth quarter earnings call, Tesla revealed that it has begun equipping Model Y battery packs with 4680 cells. The news horrified recent Model Y owners, who remember the 4680 cell fiasco ...

Tesla hasn't improved much on the performance of its 4680 cells, which it now uses in some Model Y variants, including Long Range models built at Giga Berlin. The switch was made quietly, leading to a ...

At the start of 2025, Chinese carmaker BYD was crowned as the world's top seller of electric cars, surpassing Elon Musk-led Tesla in the last quarter of 2024. The success of BYD is not surprising, as ...