Left JoyCon Not Charging (Don't Worry, Common Issue!)
How To Fix Nintendo Switch Pro Controller Not Charging! - YouTube
Help!! Joy-con not charging, when I connect the grey joy con so it can charge it shows “low battery” message on the blue one, which is clearly on full charge. The grey
How to Fix a Joy-Con Controller That Isn't Charging (Nintendo Switch Joycon) - YouTube
Joy-Con Do Not Charge While Attached to the Charging Grip | Nintendo Switch | Support | Nintendo