That's so funny, I was planning to write to you here today to ask you
about the same technology, and you beat me to it.

My intended application is domestic solar hybrid, about 29 kWh of
storage.

The cycle life, partial state of charge, operating temperatures, and
depth of discharge are the most interesting performance features.

http://ecoult.com/
http://ultrabattery.com/faq/

There are plenty of references, but I've not followed them all up, as
I need in principle approval from my accountant.  ;-)

I'm told the product should be production ready in a few weeks.

--=20
James Cameron
http://quozl.linux.org.au/
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