Tascam E01587110A Battery For MP-GT1 | Full Compass Systems
ABLEGRID AC DC Adapter For Tascam GT-R1 Guitar/Bass Reer, MP-BT1 Bass Trainer, MP-GT1 MP3 Guitar Trainer Spare Power Supply Cord Wall Home Charger - Newegg.com
Amazon.com: 2600mAh Replacement Battery for Tascam MP-GT1 : Musical Instruments