I know this reply is late, but before I threw away the affected chargers I looked at the incredibly tiny text written on it and noticed a few odd things. They

I know this reply is late, but before I threw away the affected chargers I looked at the incredibly tiny text written on it and noticed a few odd things. They have the UL logo certification logo. They also say they are manufactured by one of the big vendors you name, I think it was Flextronics. The text is nearly illegible and smudged, leading me to think it is fake.