For years, one aspect of Tesla Inc.’s business has been growing outside the public eye, its revenue soaring even as the company’s electric car sales sputtered and stalled.

Nearly 4,500 Tesla Model 3 and Model Y owners in South Korea have complained about battery malfunctions that prevent charging. The problem, which primarily affects 2021 models, has drawn the scrutiny ...

A new charging test shows that Tesla's 8L battery pack, which uses 4680 cells, charges as slowly as the 5C pack from 2021 ...

A prominent European EV repair specialist is sounding the alarm on Tesla Model 3 and Model Y vehicles equipped with LG battery cells manufactured in China, claiming they are seeing “catastrophic” ...

Tesla is recalling around 10,500 of its Powerwall 2 home, backup battery systems due to risk of overheating, burns and fires. The U.S. Consumer Product Safety Commission and Tesla said, in a recall ...

Electric vehicles come with some obvious perks, from impressive acceleration and near-silent driving to charging costs that are typically, though not always, lower than fueling up with gas. But ...