I know that this one from The Source by CC (aka RadioShack) in Canada does NOT work with my wife's PRS-650...
http://www.thesource.ca/estore/produ...roduct=1419902
I get a largely blank screen, that does say "USB connected", but no indication that it's charging.
I don't get why Cheeseandpickles & jswinden have such issues with this thread!! The purpose of this thread seems pretty clear to me - post which USB chargers work and which ones don't! I get the point that micro USB cell phone chargers work, but, along with the original poster, I would like to know alternatives.
I just wish the AC/USB adapter I already have (i.e. the one above) worked! It's funny though, it works to charge a SONY MP3 player, but not the reader