Discuss Tesla says its Austin battery plant is on track to lead North America

[Forum News]

Tesla’s 4680 cell operation at Gigafactory Texas is set to become the largest battery cell manufacturing site in North America, according to Michael Guilfoy, Tesla’s Director of Cell Manufacturing Operations. The comment came in a LinkedIn post.

Guilfoy said the Austin cell team now supplies four vehicle programs, namely the Model Y, the Cybertruck, the new Cybercab and the redesigned Tesla Semi. He tied that growth to a large production expansion at the company’s main Texas factory, and he said his team is hiring to keep pace with the extra volume.

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[BowserB1946]

The article says "The Model Y is a comeback case. In early 2026 Tesla began fitting some Texas-built units with its own 4680 packs again,..." How can I tell if my Model Y has 4680 cells or the conventional 2170 cells? My prior reading suggested the 4680 cells haven't lived up to the promised advantages.