I've been looking into this as well even if its just for a big-ass-battery that I can plug things like a refrigerator and freezer into just to keep food from going bad and with a solar panel or some that can be daisy chained to re-charge since its probably grid-down. Ecoflow is on the top of my list at the moment.
Also looking at multi fuel generators. Still have not bought any of the above yet though.
Glad I'm not the only one. I like the utility of the Delta Pro, but from a logistics point I'm having a hard time arguing with the Ultra. It seems to me that the solar input is the real bottle neck in terms of sustainability. I got a generator after a bad weather issue, and quickly realized it was a bad investment after the fact. Gasoline spoils too quick, it's too damn loud, and I can't fit it, and other important shit in my car if I need to leave.
I keep finding solar on Sale, and some life changes are getting my ass in gear.
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