From Top to Bottom

1st is original power adapter supplied with phone (notice the notch)
2nd is http://www.expansys-usa.com/product.asp?code=109732
3rd is http://www.expansys-usa.com/product.asp?code=IPAQFCAR
4th is Socket in PPC-6601 phone (notice the shinny notch)

I don't trust anything that says, it's compatible with XDA or XDA-II

Attached Thumbnails