3 ms·Automatically battery saving mode when battery charge drops below 50%by wdb 3y agoAutomatically battery saving mode when battery charge drops below 50%gcanyon 3y agoI have mine set to go to power save mode whenever I unplug it. I don’t know what a non-power-save-mode phone works like.swah 3y agoSame. My phone goes for 3 days on that mode, easily.