If you happen to have a Black and Decker cordless electric lawn mower you likely have one that has been recalled. The recall is due to excessive overheating that can cause a fire. There have been a couple incidents nationwide where this has happened.
So, check your model number. If you have a Black and Decker cordless electric mower that you purchased between February 1996 and December 2005 or a Craftsman branded cordless electric mower that you purchased between January 1998 and December 2000 go to blackanddecker.com with your model number and confirm that your mower is covered in the recall.