Descriptions : Battery Guru displays battery usage information, measures battery capacity (mAh), displays estimates, and provides useful tips to help you change your charging habits to extend battery life and extend battery life.
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]