12V 1A Power Supply Adapter, AC Adapter 100-240V to 12V DC Power Adapter Driver
£9.50
Just buy an ac adapter and you can power most of the small 12v 1A devices. Save space and money for you. (3V, 5V, 6V, 9V, 10V, 14V, 19V, 20V devices cannot be used, the current must be less than 1A).
