I purchased some solar cells off ebay the other week and created a solar panel out of them this weekend. I put 36 in series to create an 18V panel. They are cells with chipped corners and such, more of just a practice vehicle for my first time. The specs are below: These 3"X6" SOLAR CELLS rated at: 0.5V 3.6 Amps 1.8 Watts each. After I put together the panel I measure in direct sunlight Voc = 19.5V Isc = 1.85A It seems voltage is good but the current is not as much as I would expect. Since the voltage is correct is seems that all of my connections must be fine Can someone suggest why I am getting only ½ the expected current?