On Aug 16, 2006, at 5:07 AM, Gus S Calabrese wrote:

> Recalling 4 million batteries seems like non-cost-effective approach.
> How many of these buggers have blown ?
>
six.  About 1.5 per million.

Presumably they determined that there is an actual engineering
problem that results in a significant risk of more such accidents,
at which point they pretty much have to do something about it.
Knowing there's a risk and not doing anything about it is bad news,
legally speaking (cf firestone, pinto, etc.)

I'd guess that the cells don't deliver quite the rated current
over their full lifetime, without reaching dangerous temperatures.

BillW
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