On the alternator part of my question:
This is what I have in mind, they have just announced a 24v version
If 24v doesn't make sense then a 12v version might be in my future
Seems like a good way to augment a solar system, most especially for winters in cloudy areas.
IdlePro Extreme™ Alternators
High Amp, Brushless Design
Minimum of 90% Amps at Engine Idle
Operates at 76% Efficiency!
Available in 220-, 240-, 280-, 325-, 350-, 420-Amps
PDF on 12v version here: http://www.prestolite.com/literature...ProExtreme.pdf