UL sticker on panels are faded some you can read some you cannot. They will all be the same poly Yingli 230 watt panels. I also have plenty more to meet your needs.
I do work weekends by appointment!!! If your driving distance from Dallas come on by and check them out.
The item "Used 24 Volt 230W Solar Panels 5750 Watts Lot Of 25 WithUL Free shipping" is in sale since Wednesday, November 4, 2020. This item is in the category "Home & Garden\Home Improvement\Electrical Supplies\Alternative Energy Supplies\Solar Power Supplies\Solar Panels & Kits".
The seller is "texassolar" and is located in Garland, Texas. This item can be shipped to United States.