Descriptions : Battery Guru displays battery usage information, measures battery capacity (mAh), displays estimates, and helps you change your charging habits with useful tips to extend battery life and increase battery life by 200%.
Required Android Versions : Lollipop [5.0–5.0.2] - Marshmallow [6.0 - 6.0.1] - Nougat [7.0 – 7.1.1] - Oreo [8.0-8.1]