power converter question

[HiImBrian]

So I've got some big led neon tubes and a few black lights that are all made to be hooked up to a car battery. Well since I've moved out of my ricer stage and recently moved into a new house, I'd like to mount some of these on my walls so we can get a little dance party action goin on. I did a little google-ing on power converters and what I need in order to plug these into an outlet.

Basically I need a 120-12 volt converter, but what I found was some of these converters look very much like cell phone chargers. So, I'm wondering if there is any sort of charger that might work as a converter. Or what kind of converter I should go about using.

I'd like something I can wire all the neons into and then plug in.