You seem to forget :-a) 4 MW times 1.5 hours on a wind farm in...

You seem to forget :-

a) 4 MW times 1.5 hours on a wind farm in Japan
b) 500 kw times ten hours at a Japanese museum
c) 250 kw times 8 hours at Japanese universoty

oh btw, all installed in last twelve months or so.

AND

d) 130 5 kW 2 hr systems sold in the US
e) two 10 kWhr systems already sold in Aussie,
f) Federal governments Advanced Energy Storage technology program, about to enter last phase

No doubt this has ben a dog, and EVERY dog has its day. Ask the funders of PCE's $1.6 million what they are expecting . . .