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After several studies, options and solutions I cam to the conclusion that a hybrid way is the way.

A Bluetti powerbank with multiple sources and exits that can be charged from 2 solar panels and later also from a small 220V hydro turbine, meanwhile acting as an intermediary / cache for all electrical consumption.

https://amzn.eu/d/0jbq9Hrn

The compact size and multiple devices all in one is the best solution.
During the sunny days, charging from solar, during night and cloudy days,, from the river.
And is easy to install, maintain, carry (remember that I have to carry on my backpack all the material like 8km).