Improve battery life with Xposed, Amplify and Greenify - Android customization - Android Authority
Developer] I made Power Nap for Xposed - a replacement for Sony's Stamina Mode, but for all devices with Android 4.4+ (tested with Lollipop)! More version support to come in the future. :
MOD][APP][XPOSED][4.1+] Power Nap for Xposed - Sony's Stamina Mode for all devices! | XDA Forums
Amplify Battery Extender -Root Alternatives: Top 10 Battery Saver Utilities and similar apps | AlternativeTo
Good Battery saver ever seen - Fan Discussions - Smartron Forum
5 Best Battery Saver Apps for Android in 2019 - DroidViews
How to Use Battery Saver Mode on Android
Best Xposed Modules for Lollipop, Marshmallow - Android Community
Personalize Android's built-in battery saver mode by using this method
Improve Your Battery Life on Android with Granular Power Controls « Android :: Gadget Hacks
Save Your Battery Life with Root-Only Apps | Safe-root
Disabling battery saver mode notification
3 Best Xposed Battery Saving Apps For Android - (Must Have) - YouTube