Power bricks:

  • North America (top and front loading both)

    • Product Code(s): NES-002
    • Voltage: 9V
    • Amps: 1.3A
    • Polarity: The NES has a rectifier and will accept either polarity.
    • Tip Size: 2.1mm x 5.5mm
    • It’s been said that it’ll accept any ~1.0A 9V adapter and polarity doesn’t matter. Note this is NORTH AMERICA ONLY, polarity matters on Japanese/Asian units!
    • Sources: One Two

  • Japan

    • Product Code(s): HVC-002
    • Voltage: 10V
    • Amps: 850mA
    • Polarity: Negative
    • Tip Size:
    • It’s suggested you either get a step-down converter or don’t use the original brick in the USA (110V vs 100V) as it may overheat and damage the brick and/or console. As long as the output matches what the system wants, any power supply should be sufficient.