Brand new (but old) battery not charging

Hi,

I've just got a brand new original battery for my X61s but
it's not charging at all.  The battery LED is orange,
blinking since I plugged it.

By checking the information given by
/sys/devices/platform/smapi/BAT0/* I confirm that the battery
is new (first_use_date equals today and cycle_count is 0) but
I also confirm that the battery is really old (manufacture_date
is 2007-09-12).

Also /sys/devices/platform/smapi/BAT0/state is idle.

Does this means that my battery is dead?  Any other information
I should check?

Thanks,
-- 
Marcos
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