https://www.aliexpress.us/item/3256809986804138.html 100W ECO-WORTHY 18V Monocrystalline Solar Panel (US-L02M100-B-1) on sale for $36.60 - $4 off when you apply promo code USDEAL4 on the checkout page = $32.60. Shipping is free (ships from within the United States).