Low Power Flipswitch is a new Flipswitch toggle that allows you to quickly enable or disable Low Power Mode on iOS 9 devices. Flipswitch is the long-running framework that lets developers access standard toggles, and create new toggles.
With a tweak like Ryan Petrich's FlipControlCenter, which was recently updated to support iOS 9, users can easily enable a Low Power Mode toggle that's directly accessible via Control Center. Check out the rest of this post for more details.