android/device/battery_6_bar/materialiconsround/black/res/drawable/round_battery_6_bar_20.xml

<vector xmlns:android="http://schemas.android.com/apk/res/android"
    android:width="20dp"
    android:height="20dp"
    android:viewportWidth="20"
    android:viewportHeight="20"
    android:tint="?attr/colorControlNormal">
  <path
      android:fillColor="@android:color/white"
      android:pathData="M13,3.5c0.55,0 1,0.45 1,1V17c0,0.55 -0.45,1 -1,1H7c-0.55,0 -1,-0.45 -1,-1V4.5c0,-0.55 0.45,-1 1,-1h1.5V3c0,-0.55 0.45,-1 1,-1h1c0.55,0 1,0.45 1,1v0.5H13zM12.5,5h-5v2h5V5z"/>
</vector>