About 100,000 of the faulty batteries are in the United States, with 45,000 in Japan and the rest in other countries. So far, no fires or overheating problems have been reported with Toshiba laptops. Because of safety concerns, Dell recently recalled 4.1 million batteries, while Apple followed suit, recalling 1.8 million units.
If you have a Toshiba Dynabook or Satellite laptop that was manufactured between March and May of 2006, you may be affected by the recall. A FAQ on the Toshiba site has all the details you'll need to check your system and exchange your battery.