Detailed Product Description monocrystal silicon solar cell has various models as 5W, 10W, 15W, 20W, 25W, 30W, 35W, 40W, 45W, 50W, 55W, 60W, 65W, 70W, 75W, 80W, 85W, 90W, 95W, 100W, 110W, 120W, 130W, 140W, 150W, 165W, 180W and etc. (some products may be custom-made according to the customers' requirements).