>Recalling 4 million batteries seems like non-cost-effective >approach. How many of these buggers have blown ? >Would not a warning and insurance be cheaper ? That is not the way the system works. There is no guarantee that the ones still "out there" are save, they could fail at any time, through what is apparently a diagnosed mechanism. No amount of insurance and warnings is cheaper if it is your house/work place/car/airplane that gets cought in the conflagration when it fails. Alan (owner of a Dell with a battery not on the list) ... -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist