I have seen a couple of universal Camera AC adapters in the stores.
Make sure that it can be set for 3 volts and that the transformer can produce 2 amps or better. Also there should be an assortment of power tips with the package.
It must be an adapter made specificly for cameras, because standard universal transformers do not have enough power to run a camera.
Better yet, for the same amount of money you can buy a card reader and you will never have to connect the camera to the computer.
You can find low cost card readers here:
Make sure the specifications say that it can handle xD card.
what adapter is safe for a fugifilm e510 digital camera, i wanted to find an inexpensive adapter to use to unload pics to pc.