People don't understand how big a deal this is. Tesla FSD already turns a car into autonomous transportation. It's one of the most impressive products I've ever used. My 83-year-old father told me he didn't think he'd be able to drive much longer. Then he got Tesla FSD and can maintain independence. Now your Tesla can also back up your house. The biggest drawback of battery backup vs. a gas generator has always been limited capacity. This largely solves it. If your Powerwall runs out after…