Thread: Source of power for a cell phone?
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Geronimo '74 Geronimo '74 is online now
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Join Date: Sep 2003
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Battery packs, backpacks with built in solar elements would work too.

https://www.theadventurejunkies.com/best-solar-backpacks-for-hiking/

Or portable stand alone solar panels.
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Old 02-24-2019, 05:36 AM
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