The battery indicator BatteryBot is the original battery indicator application for Android ™, launched in 2009 as simply "Battery Indicator". Both the free version and the Pro version have maintained a 4.5+ star rating on Google Play since the beginning. It offers two modes: the original status bar indicator and now also a desktop widget. You can use either or both, however you want.
(4.1 and up)
,Jelly Bean (4.1 - 4.3.1),KitKat (4.4 - 4.4.4),Lollipop (5.0 - 5.1.1),Marshmallow (6.0 - 6.0.1),Nougat (7.0 – 7.1.1),Oreo (8.0-8.1)