Tesla’s Model 3 and Model Y can be a backup battery for your house

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. However, support for the Powerwall 2 and Powerwall Plus is "coming soon." Tesla's...