Sure, eventhough I remember thinking it wasn't that bad (I can't remember precise figures)
Problem lies in the price and even projected prices. But I guess mass production could change that in 10 and then 20, 30 years.
Cool, right by the time we might need them
Edit:
Just read an article about it.
Autonomy is said to be 2h40minutes. It's safe to think it's at least 1 hour for "average use".
Can be rented for 1 500€ a month ( the article says for retirement homes)