Why not buy one designed for the purpose? Simple, to learn how to re-purpose materials to better fir your need. While it might be good to purchase the supplies for the first build, I would recommend trying to do a second build with all salvaged and re-purposed materials as a good learning experience. After an event the could be a shtf event you will no longer be able to just go buy what you need, you will need to be able to make what you need.Seems like a rather expensive way to do it. Why not just buy one designed for the purpose?
I don't think this is the cheapest way to make your own solar panels to power something larger. However, it would be a good learning project. Use the reclaimed panels from the yard lights to make a cell phone charger. Remember that when you make something it doesn't need to be the most practical, it is practice for the next bigger and more difficult project.i was thinking about ways to get solar panels for cheap and i was thinking,wat if i use the solar cell off the solar yard lights and wire them all together to make a solar panel.not sure if this is a good idea or not hence im asking yall haha.