I can but those solar panels you just found are superior to what I have when it comes to weight and flexibility. If you want the lowest weight then I would recommend going with these.
I honestly have no idea when these will be finished. I would recommend just building out the rover using the individual parts as you were originally planning since it will allow maximum flexibility while providing maximum performance at the same time.
I would recommend the 30w panels you linked to above since they will provide the lowest weight to power ratio.
That would be great if you could donate those @RWB did you get my school address? I sent it to [redacted]. I will send it to [redacted] if you did not get it.
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Any idea of a timeline and final cost for your smallest LiFePO4 12V charging system?
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I found another set of 40 W solar panels that may work well for my Rover with both 5V USB and 18V DC for $150 USD. It should work well with the PortableSolarPower charging system and the Photon.
Here is a source for the solar panels, they can custom the solar panels with USB port or any size of the panel. I just purchased a solar charger for my motor, it is about USD0.7 per watt.
If you need any help, just let me know.