Research In Motion released a short video to show a quick set of best practices to improve BlackBerry smartphone battery life. We’ve seen RIM release a ‘Battery Save Mode’ in a few OS 7.1 builds. That feature allows a user to set a battery save mode once you hit low battery life. Thereby, extending the use of your device. If you don’t currently have that option available, watch the video below for other ways to extend your battery life.