Does Low Power Mode Affect Battery Life. Turn On Low Power Mode iOS 9 When your iPhone reaches 20 battery life it will automatically prompt you to turn on Low Power Mode. When it is turned on features like Mail fetch Background App refresh motion effects and animated wallpapers are disabled.
Low Power Modes comes at a cost. Keeping your phone permanently on power saving mode will have no effect on phones life. Should you expect a long day ahead you can activate it at any point without crippling your phone.
First thing I usually do is tell Siri to turn it on.
Also dont forget that LPM temporarily disables some of the phones features and services. It will only decrease the usage of large battery consuming features for a long period. Should you expect a long day ahead you can activate it at any point without crippling your phone. Low Power Mode reduces the amount of power that your iPhone uses when the battery gets low.
