"Kensington has determined that in very rare situations, some of these power adapters may fail, possibly leading to damage of connected equipment and an increased risk of burns to the consumer’s hands, arms or legs, or electric shock."
Affected products have a product Number of K38105 and a date code between X1248XXXXXX and X1325XXXXXX.
If the date code is less than 1248 or is greater than 1325, your adapter is not affected.
Kensington AbsolutePower Ultrabook Power Adapters manufactured betwen December 2012 and June 2013, sold worldwide. See image for details.