Universal Retro Console Power Supply
 
This includes a polarity reversal adapter and 2.5mm adapter so this will works with most retro consoles!
 
Tip/Jack Dimensions:  2.1mm x 5.5mm, includes 2.5mm adapter for NES or SNES consoles,
 
Compatible with both PAL and NTSC versions of the following consoles:
 
- PAL NES Frontloader (centre neg or pos) 2.5mm
- NTSC NES Frontloader (centre neg)
- NES Toploader (centre neg or pos)
- Original Famicom (centre neg)
- Famicom AV (centre neg)
- PAL Super Nintendo / SNES (center neg/pos) 2.5mm tip
- NTSC Super Nintendo (centre neg)
- Super Famicom Jr (centre neg)
- PC Engine / Core / Core II (centre neg)
- Master System (centre neg)
- Megadrive / Genesis (centre neg)
- Megadrive 2 / Genesis 2 (centre positive) 
- Super 8bit NES redesign (centre pos)
 
Specification:
 
A 1 amp 9 volt 9 watt regulated switch mode power supply suitable for most 9v retro consoles requiring a DC input of 1000ma or lower.

Regulated Output
Positive Centre Polarity or Center Negative with included adapter.
Short Circuit, overcurrent & overvoltage protection
CE marked and approved

Plug Type - UK 3 Pin
Input - AC 100 - 240 volt
Output - DC 9V 1A 9W
Cable Length - 1.2m

Email me at david@oldskoolconsoles.com with any queries