[yasuocidal]

Tesla has a special deal with panasonic[0], maybe they ""colab"" on the development of the batteries

[0]https://www.tesla.com/blog/panasonic-enters-supply-agreement...

[TaylorAlexander]

Ah I looked for something more current and it seems Panasonic is operating production inside of Tesla's factory: https://www.theverge.com/2019/4/11/18305976/tesla-panasonic-...