What this will also do is turn off every controller currently connected to the system. Step 2: On the next screen, select the “Change Grip/Order” option on the right and you’ll be prompted to press the L and R buttons on the controllers you want to use. Step 1: Go to the main menu of the Switch by pressing the home button on your controller, and select the Joy-Con icon at the bottom of the screen. If you want to swap controllers on the Nintendo Switch, you can turn your current controller off before entering the game. How to turn off a Nintendo Switch controller before a game
Here is how to turn off a Nintendo Switch controller. Fear not, however, as the solution is quite simple. With all of those options, however, comes the possibility of you accidentally leaving several controllers turned on and needlessly wasting batteries.
How to turn off a Nintendo Switch controller by putting the Switch to sleep.