Some Tesla Model 3 and Model Y owners can use their EV battery to keep the lights on longer during a power outage, now that Tesla's expanding the Powershare Home Backup feature. It was previously only available on the Cybertruck, and also requires owning Tesla's Powerwall 3.
Source: [The Verge](https://www.theverge.com/transportation/1006193/tesla-model-3-model-y-powershare-home-backup)