Tesla cells are designed to Tesla's proprietary specs. This has just been confirmed: >CATL has been discussing the required specifications for the batteries w

Tesla cells are designed to Tesla's proprietary specs. This has just been confirmed: >CATL has been discussing the required specifications for the batteries with Tesla officials, the people said, asking not to be named because the talks are private. https://www.bloomberg.com/news/articles/2019-03-11/tesla-is-said-in-talks-with-battery-giant-catl-for-china-order https://www.bloomberg.com/news/articles/2019-03-11/tesla-is-...