Don't sweat replacing AA batteries on your Korg Microkorg keyboard Our Korg Microkorg power supply is built specifically to work with the Korg Microkorg . We designed it with a longer 6 foot cable, and have thoroughly tested it with the keyboards we sell. Keep your keys powered and get down to making music. Works the following models models Korg Microkorg *Does not fit the Microkorg XL