I just received a premium order and my power adaptor does not work either. Same problem as OP - the DC plug on the power adaptor is much too small to fit the DC jack on the pandora.
I am having this same exact problem with a pandora I bought off ebay. The battery does not look "puffy" though I don't have a "good" one to compare it to. I noticed that unless I shut it down, the unit will be dead in a matter of hours. However, while playing games and what not, the batter...