Quote:
Originally Posted by FastAl
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Second alternator starts getting a little involved. $$$ Just the second alternator bracket is 400
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To me it also sounds more involved, although I feel based on limited information I'd be in part trading electrical for mechanical complexity. And with mechanical I tend to view it as a one-time problem -- once initial installation is done I'd expect a more robust, stable, and reliable system. I'll admit some personal bias here.
As I've expressed in other threads, one feature of a second-generator stand-alone option I would consider strongly is using 24 volts (or possibly higher) to reduce current. The biggest drawback I can see to this is not being able to connect to vehicle system as emergency backup, but since my intent would be to segregate the electrical systems in the first place, I'd rely on jumper cables off one battery if ever needed to start the van.
Good luck and let us know which system/components you go with.