Just wanted to add: As far as I know, the battery is, indeed, not removable. Both removable batteries and expandable memory seem to be going the way of the 8-track, since phone manufacturers have realized that consumers, as a whole, are not averse to losing them. (Translation: "The iPhone does it, and Apple rakes in the dough, so we can do it, too.")
I'm as sorry as anyone to see them go, but it's cheaper and easier for phone manufacturers to not offer them, and helps them make more money selling internal memory. So it goes.