I'm looking for a rechargable battery or ultracapacitor that has the
best power/weight ratio as possible given that it will be drained in
about two minutes (probably this means you need very low internal
resistance).  Ultracapacitors seem to be a little on the heavy side
based on the data I've seen.  I'm looking for a total of 20,000 watts
or more, so fairly large batteries/caps should be OK.  I'm assuming I
will have to combine a bunch to get the 20,000 watts.  Please produce
a chart of power/weight ratios for some of the lightest alternatives.
Number of charge/recharge cycles would also be a good thing to include
in the chart.  If two minutes is too fast a drain time (violates
maximum currents) please use the maximum current the device can
handle. 

Also, see all the comments on the other version of this question.  I
expect this will be answered by Chromedome who has been working on it
for a long time.

---

Request for Question Clarification by chromedome-ga on 28 Aug 2002 05:57 PDT

Hello again, Larry95, and thank you for your continued interest.

I am happy to see that you still wish to have an answer to your
question.  If you have the time, it would be very helpful for you to
take a moment or two and answer the clarification requests that had
gathered on your original post.  They can be placed here, of course,
for the sake of convenience.

I'll look forward to hearing from you.

-Chromedome