fast charger battery help to fast charge and fast charging for android device.
The only solution to this problem and boost charging speed is to turn off applications running underground and unnecessary connections on your phone to save energy, which will help to charge the battery faster than normal.
Apps Feature:

✓ Automatic RAM cleanup - Turn off running applications underground
✓ Automatically reduce screen brightness to lowest
✓ Automatically Turn off Wifi
✓ Automatically turn off Bluetooth
✓ Automatically turn off the screen rotation
✓ Display charging status at the lock screen.
✓ Quick charge and fast charging 2018 for android

How to use:
✓ First Run the app.
✓ Then Goto Setting and create the setting you apply in app.
✓ Click Done Button
✓ Click Ok Button
✓ Your background setting apply in this app.

******************************** Best Of Luck ***********************************