This little panel is super portable but not very powerful. All it has on the back is a single USB-A port.
But it would fit quite easily into a backpack or even laptop/tablet bag. Just remember it does USB-A only,
and is very low power.
Of course the knobs don't list it as "5 watts" because that would be too honest. You're much more likely to
find it if you search for either 10 or 20 watts. If you look closely you'll see a slightly less common layout
to the cells - it has 10 cells arranged in series, which means this panel is struggling to get to 6v out, so
it will probably need lots of sun to work properly at 5v unless your phone is okay with like 4.6 volts.
As of 2025 these are popping up like dandelions everywhere, as low as $5 a panel. Some have two USB
ports instead of one, or include a red power LED on them. It's rare to see one with a panel-out though.
Despite it's small size, there is a regulator in the feedpoint box, so you get 5v out on USB.
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