Hey I created a super easy to use and customizable app that makes extending your android phone battery life very simple. There's no complicated setup and it's free. It's called Battery Commander:
https://play.google.com/store/apps/details?id=com.paladyr.disablecelldataapp
Hope you like, and thanks for checking it out!
https://play.google.com/store/apps/details?id=com.paladyr.disablecelldataapp
Hope you like, and thanks for checking it out!