Has anyone tried this adapter with 4.5 volt controller mod
 

I have a dual cell car and I'm currently using batteries to power it up. I've read about using ac adapters but none are specific to dual bat cars. I found this one at radio shack and was wondering what anyone thinks?
http://www.radioshack.com/product.as...Fid=273%2D1759

its 4.5 rated at 1000ma