5V Volt 1A Main Power Supply AC/DC Adapter 3 Pin UK Plug Charger Black

This is the right one for you if you need it to be 5v 1A. 1 X Power Adapter Uk Plug. Output Barrel Plug Width: 3.5mm. Output: DC 5 V 1 A. Input: 110~240 V AC 50/60 HZ.