Tesla Semi battery sizes confirmed: 822 kWh and 548 kWh officially revealed

Electrek
By Fred LambertMay 8, 2026, 11:27 am298 ptsTop
California’s Air Resources Board has officially confirmed the Tesla Semi’s battery capacities through a regulatory filing — and they’re smaller than what Elon Musk originally suggested back in 2022. The CARB Executive Order A-374-0095, signed on April 15, reveals that the Long Range Semi carries an 822…

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