Elon Musk warns new Tesla battery tech wont reach mass production until 2022

Whatever is unveiled during Tesla’s Battery Day event on Tuesday won’t enter “serious high-volume production” until 2022, the company’s CEO Elon Musk has cautioned on Twitter. The time-scale means the technology will mainly impact Tesla’s Semi, Cybertruck, and Roadster projects, the CEO said, adding that the company will continue to buy third-party battery cells even if Tesla decides to make its own.

Musk’s comments suggest that any new battery tech shown at Tuesday’s event will be at the prototype stage, ruling out its imminent use in Tesla’s current mass-market vehicles like the Model 3 or Model Y. Musk points towards the “extreme difficulty” in scaling new technology as being to blame, noting that making “the machine that makes the...

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