Quote:
Why can't solar panels be mounted on an umbrella?
Or use carbon fiber rods
to construct an umbrella like frame over your head & your pack to hold the
solar panel/films.


A fine idea....as long as you're not walking in the shade, or on a cloudy day, or in a deep canyon, or on a windy ridge.
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If you only travel on sunny days you will never reach your destination.*

* May not apply at certain latitudes in Canada and elsewhere.