micro solar charger for 3.7 phone battery.

micro solar charger for 3.7 phone battery.

Can I take a small solar panel that folds out and have it charge a standard 3.7 phone battery?

Example: buy the Harbor Freight battery charger (12V DC 1.5 watt)

https://www.harborfreight.com/15-watt-solar-battery-charger-68692.html

You take it out of the package, cut it into sections so that it folds/unfolds. When your 3.7 battery is dead, you unfold and start charging.

For some $13, you have a charger. It's output is 12V DC and your battery is 3.7V DC

What if you break the panel in 1/2 or 1/3 so you get 4V DC.

Note: I assume you can break these panels, I guess they are a solar film over plastic and connect in sections.

So you cut this into 1/3 and for $13 you get 3 charging panels.

Q. Will it work?

Q. anyone know of a compact, foldable solar charger?

submitted by /u/KarlJay001
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