HIENADTOR replacement charger cord compatible with IK Multimedia iRig Stream iRig Stomp I/O iRig Pro I/O iRig Keys I/O Stereo Audio Interface DC5V 3000mA 5VDC Power Supply Cord Battery Charger accessories. Pls Note: Rechargeable batteries don't last forever, and the average life lasts 1 to 3 years. If your product's battery is old or overused, it will not accept a charge. But not charger's problem. If not sure whether product's battery or charger is dead or not, you're adviced have a volt meter in order to check whether or not a charger is working.