Tesla Semi
Tesla Semi battery sizes confirmed: 822 kWh and 548 kWh officially revealed
California's Air Resources Board confirmed Tesla Semi battery capacities at 822 kWh for the Long Range and 548 kWh for the Standard Range, using 4680 cells with NCMA chemistry. These official figures are smaller than Elon Musk's earlier 2022 estimates. For Tesla owners and enthusiasts, this provides concrete data on the Semi's energy storage, clarifying its real-world range and efficiency expectations.
May 08, 2026