Few models were returned to the manufacturer despite the earlier announcements.
The TF-DVD 1020 models were sold at different retailers around the country from May 2007 through July 2008 for about $168. The TF-DVD 8501 models were sold from January 2007 through September 2009 for between $140 and $275.
For the serial numbers for the recalled batteries, check the CPSC announcement. If you've got one, remove the battery until you get a replacement from Coby (call (866) 945-2629 between 8 a.m. and 5 p.m. weekdays or visit www.cobyusa.com).