Hewlett Packard recently expanded a worldwide voluntary recall and replacement program for select HP and Compaq brand notebook batteries. Some 162,600 additional laptop batteries are affected, joining 54,000 that were already recalled back in May 2010.
According to DigiTimes , this current recall is because of an overheating issue that could potentially create cracks in the product and poses a fire hazard. HP says that approximately 5 percent of notebook PC products manufactured from July 2007 to May 2008 could be affected, a full list of which you can view here . What that means is your recently purchased Sandy Bridge system is in the clear, at least as it pertains to this specific recall.
Since the recall only affects older models, HP isn't sweating the possibility that it could affect production of new notebook models, DigiTimes says.