The oldest cells I've put back to use are Sanyo AAs with 1998 dates
written on them (by me) at time of purchase. Also have some with no dates
I believe I acquired in '96, but not sure - They're all Sanyo Industrial cells.

Ive been spoiled, though, by Sanyo's remarkable Low
Self-Discharge NiMH cells. I bought several packs of AAs & AAAs along
with the charger (2 years ago last July IIRC) - They are all in daily service,
all still within 10% of nominal specs.

I've since bought more - They do well in single-AA LED flashlights,
which avoids the reverse-charging damage frequently seen in such
applications.

Jack
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