I saw about nine hours when using the laptop for productivity purposes, and you can no doubt stretch that number quite a bit more if you aren't using it constantly. (windowscentral.com)
Nevertheless, for productivity purposes, you won't find many more pleasant displays. (digitaltrends.com)
The main reason for this title is when Samsung opted to release a Galaxy Note 5 that had no microSD card support and lacked a removable battery, which are features had been used to define a real Android phone that is meant for productivity purposes like the Galaxy Note series is. (nashvillechatterclass.com)