We do make your own batery packs. Thirty per cent of your vehicles cost her forty so it's one of the most important things to actully bring in a house. And another battery thing is, like, o ky, look, you got sam songealogy and panasonic spending tens of billions of dollars in research and development. Why would you want to try to engineer your own cell? You could just pay panasonic to do that. Like, whywi try to? It's n and there's just a lot of things where they need ta focus on delivering....