Install 小蓝电池管理 Xtra!

Having 小蓝电池管理 Xtra installed means:
  1. Supporting improvements of 小蓝电池管理.
  2. To have the battery level shown in the notification bar and a quick access to 小蓝电池管理 core (this can be disabled)
  3. Customizable notification alerts for high/low battery level.
  4. Enjoying some Xtra widgets.
  5. and more new Xtra features in the future...