This is now a feature of most new Tesla vehicles:

https://www.tesla.com/powershare/#vehicles

> Powershare allows you to draw power directly from your compatible Tesla vehicle to power your devices, your home or the grid.

> Powershare is currently available for all Cybertruck vehicles, and all new Model 3 and Model Y2 vehicles ordered on October 1, 2026 or later.

> To verify if your vehicle has Powershare, navigate to ‘Software’ > ‘Additional Vehicle Info’ > ‘Powershare Support: Enabled’ on your vehicle touchscreen.