Hi Everyone, The 4.5 V DC adapter I was looking for was to power an LED lamp. I wanted to put a lamp on a shelf that is only nine inches down from the ceiling in my downstairs washroom. I wanted a lamp that would run cool so as not to scorch the ceiling. When I saw LED lamps selling for $5.99 at the local hardware store, I thought I'd give one a try. Only problem was that the AC adapter was not included. :[ I initially set it up with a universal adapter. It's a large transformer able to supply 1000ma with a switch for several different voltages, another switch for polarity and a cord with six different connectors on the end. This worked ok but it was somewhat unsightly. It ends up that a coworker found a 4.5 volt adapter for me, but it was spec'd at only 200ma. The price was right so I thought it couldn't hurt to try it. The lamp has 20 LEDs in it and it appears all 20 glow just as bright as with the universal adapter. Beauty! I have the new adapter plugged into a switched wall outlet and it's working great! Looks tidy, too. I'd like to thank everyone who responded and I promise I'll keep future postings more related to Commodore. Thanks again, Karl Hildon