Just how safe is Tesla's home battery system?

PERSONALLY I find Elon Musk, the founder of Tesla, a real show-off, but he is not a snake oil salesman. He is Henry Ford (cars), Wernher Von Braun (rockets) and Nikola Tesla (electricity) morphed into one person. His products are real, old school high-tech manufacturing stuff, and while he talks the talk, he does walk the walk with real products shipped to customers.

The recent announcement about his new company Tesla Energy and their home battery systems to augment renewable energy sources such as so…