Yup, the current battery uses thousands of 18650s, but they developed a more 'economically efficient' 2170 cell for the model 3 - https://qz.com/879121/teslas-t

Yup, the current battery uses thousands of 18650s, but they developed a more 'economically efficient' 2170 cell for the model 3 - https://qz.com/879121/teslas-tsla-cheaper-more-powerful-2170-battery-cell-is-the-perfect-embodiment-of-its-factory-model/ https://qz.com/879121/teslas-tsla-cheaper-more-powerful-2170...