Want something a bit different? Maybe a double sided phone with eInk always on screen on one side and normal screen on the other side and 100 hour battery life. Then Yotaphone 2 might be for you?
http://m.theregister.co.uk/2014/12/0..._battery_life/
http://www.mobiletoday.co.uk/news-li...ed-device.aspx
http://m.theregister.co.uk/2014/12/0..._battery_life/
http://www.mobiletoday.co.uk/news-li...ed-device.aspx