On Tuesday afternoon, Elon Musk will hold court at Tesla’s manufacturing facility in Fremont, California, for the company’s much-hyped Battery Day. Details of what Musk will announce are scarce, but earlier this month the outspoken CEO tweeted that “many exciting things will be unveiled” and that the event “will be very insane.” Musk also promised a tour of Tesla’s “cell production system” at the factory. Some industry analysts expect that the company will reveal major improvements in its battery technology and details about its plans to expand its production facilities in the US. But until Musk takes the stage on Tuesday, it’s all speculation.
There are some hints about what Tesla has been working on in the battery department, though. At the company’s Autonomy Day event in early 2019, Musk said that the company was working on a battery pack for its vehicles that would last for a