Compatible Replacement AC Adapter Power Supply Cord Plug Wall Charger & AV Audio Video Cable for the Sega Genesis 1. Power Supply and AV Cable are NEW. US Plug. Power Supply works worldwide. Power Supply Specs: Output 9V 1A Input 100-240V 50/60Hz. This power supply works with both 9V & 10V versions of the Sega Genesis 1 System. This power supply will not work on the Sega Genesis 2 System. I ship worldwide. Shipping rates vary depending on your location. Combined shipping is available when purchasing multiple items.