That's true according to their website but I read somewhere (Forbes I think) that seemed to say that was a mistake.
Either way that isn't bad if it can reach that!
I saw a video by CNet who interviewed Panos, and he said it was 9 hours web browsing.
It also has standby battery life for 1 year, so if you turn it off or put it to sleep, in theory you should be able to wake it without charge a year later.