Apple has launched a new Replacement Program for the first-generation iPod nano. As stated on the program’s official page, “Apple has determined that, in very rare cases, the battery in the iPod nano (1st generation) may overheat and pose a safety risk. Affected iPod nanos were sold between September 2005 and December 2006. This issue has been traced to a single battery supplier that produced batteries with a manufacturing defect. While…