Tips to extend the life of your battery

Reduce the screen brightness and set a shorter screen timeout.
Turn off radio communications (such as Wi-Fi, Bluetooth®, GPS, etc.) that you're not actively using. (Note that the GPS receiver is only turned on when you’re using an app that makes use of it.)
Turn off automatic syncing for Gmail, Calendar, Contacts, and other apps if you don’t need it.

NOTE	Allowing other devices to use your device's hotspot connection will drain your battery more quickly.