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RE: Charging My Devices with a Spare Solar Panel
Definitely, idle hardware really itches at my OCD so I wanna do what I can. Along with this panel there were a few others but they weren't rated at the same voltage so I will have to look into how I can get them to become uniform and provide me with reliable power.
If your other solar panels are 12V then you might be able to use a USB car-charger.
You should check the maximum voltage the cell provides because Photo Voltaic cell voltages can vary quite a lot from the nominal voltage.
If the cell maximum voltage is above 15V then I would suggest using a solar charging regulator between the PV cell and any car equipment.