On Sun, 7 Feb 1999, Morgan Olsson wrote:
> Maybe try Li-Vn cells.  3V nom, 3,4V constant voltage charge; you always
> know clearly when they are full.
>
> Used them ten years ago for memory retention, and found them very nice:
> 50yr(!) self discharge time, high energy per volume, low toxicity at
> destruction.  I think they had low power rating that time when they were
> new type, but that ougt to have improved by now.  Manufacturer was
> Panasonic, Type no VL something.  I think i recently saw some new types; VM
> series or something.

OK, I was aware of the Vanadium Lithium Pentoxide rechargeables,
but all I've been able to find is 3v button cells, which are
rated for a max drain rate of about 20uA.  That's *alot* of
cells to come up to a 30mA anticipated drain....does somebody
make these things in sizes more appropriate for real CPU
drive currents, not just memory backup levels that could
be nearly as well served with a super cap?

-Will