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 EVs aren't the first or only ones with bidirectional charging; companies like Kia and GM also offer vehicle-to-home power on their vehicles, while Nissan's Leaf offered power-to-grid charging years ago.
Tesla says the Model 3 and Model Y can extend home backup power to over two days for Pr …
