Solid state energy storage for your home. Really?

Solid state batteries? When will they ever actually arrive? Well, according to a Florida based start up called Amptricity, they have arrived already and they are available right now for delivery to your home in 2023. So has this news caused Elon Musk to quake in his entrepreneurial boots, or is the marketing hype getting a little ahead of its skis? Lets take a look.