Modding your console usually means knowing how to solder and having all the right equipment and tools to do so. Not to mention the risk of damaging your gear if you're not exactly sure what you're doing!
These Nintendo GameCube Controller Port Boards have been pre-modded with a new colored power LED and removable coin cell battery socket. Battery is included. It's easy to swap out this board with the one in your GameCube - no soldering required!
Compatible with both GC models: DOL-001, DOL-101. GameCube not included :)
The GameCube has 4 screws on the bottom that you'll need a special tool for installing this. Take a look: