Is this the Bolder Battery thin film technology? I had one of those in a
portable jump-starter, it was very light but it did not last very long.
I was thinking of using the Bolder battery for a back-up in my RV6.
Could be very exciting technology if it will hold up. It will be great
for electric car drag racing.

Chuck Dunlap


I know this is a bit off topic, but we rotor heads like to try
the
latest and greatest stuff.

I am considering producing state-of-the art, very lightweight,
ultra
long life, starting batteries for experimental aircraft. They won't
be cheap to make, however. I'd like to get some feedback as to the
market for these before I put a big effort into this.

Here are the specs:

14 volts
480 cranking amps
8.8 amp-hours
2.7 pounds (Yes, that is right.)
10 year warrantee (prorated)
Completely sealed battery
Safer than lead acid or NiCad
Built-in electronic monitoring system warns of over-voltage,
under-voltage, over heating, or internal battery fault.

That is all the good news. The downside is that they will cost
about
$475. I'm not sure how many folks would want a 10 year battery (at
least) that weighs about 1/3 as much as an "ordinary" battery, but
costs four times as much.

The specs above are real. I have personally tested these
batteries
and they do, indeed, perform this well, so that is not an issue. I
know I can make these. I'm going to make one for myself. The question
is, will folks buy them if I produce them?

Let me know if you think you would be interested in such a
high-tech
battery at this cost.

Bill Dube'






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