I got my 1102 from Liypn and I've never had any overheating issues with the
charger. Nearly every transformer I have gets warm while charging. If
there's a problem with the one from Liypn, it would have to be how heavy the
220 and 110 are together and they sag down from the wall a bit. Not enough
to be a problem, and I don't leave them plugged in except while I'm charging
the radio. If I was going to operate the radio full time on AC (I couldn't
imagine why anyone would), then maybe I'd try to find another adaptor at
Radio Shack or something.