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Which part of the battery tech is Panasonic and which part is Tesla? Does Panasonic hold the patent and Tesla makes them in the giga factory?

>Does Panasonic hold the patent and Tesla makes them in the giga factory?

I believe Panasonic also owns the GF1 equipment, while Tesla owns the building and leases the space to Panasonic.

I believe Panasonic makes the cells, but Tesla handles pretty much everything else from battery management to installation.

That's accurate. Panasonic is in each Gigafactory manufacturing the 2170 cells and then hands them off to Tesla.

They collocate? Didn’t know that.