How To Tell If Switch Pro Controller Is Fully Charged. There is no fast charging the Pro Controller. While connected to the Nintendo Switch dock.

Once the Pro Controller is fully charged the recharge LED beside the USB connector will shut off. What do you need. -Replaced battery with a new 3rd party battery.
However one disadvantage that the Pro Controller has over the Joy-Con is that it cant charge along with the Switch itself.
How to charge Nintendo Switch controllers. There is no fast charging the Pro Controller. Connect the Nintendo Switch AC adapter to the dock and then to a wall outlet. In my case I have version C.

