17 days 17 hours
8 days 18 hours
8 days 2 hours
Except many of these trailers represent a clear case of false advertising.
I imagine it's a trade-off.
Personally I've always hated rumble, but regardless, I suspect that not making use of it is one of the factors in its ridiculously long battery life.
The battery life is no joke. I got my SC for Christmas and I'm still using the batteries it came with . . .