Now a days most of the batteries are made by Lithium ion,These batteries are get more while charging more time and battery using till empty.And Better to make your battery not lessthan 15% if it lessthan 15% you better to charge instead of running your phone till empty
- Dont use unneessary Apps ,because some apps will charge your battery in background
- Put your Screen Timeout lessthan 30secs
- Adjust Brightness to low and Disable Auto Brightness it will take more battery
- Disable Wifi,Data,Auto rotationand GPS When you are not using the phone
- Dont use Animated Wallpapers and Screen Savers
- In dual sim phone if you are using single sim then disable the another sim slot it will charge for the another sim options
