태양광 판넬1 Homemade Solar Panel Homemade Solar Panel NOTE: After countless emails about where I got them, I purchased these cells in 2002-2003 so the prices have changed. I bought them on Ebay, but the prices are almost impossable to get now days unfortunantly. Maybe one day it will again be cheaper but until then, I will soon be posting about my other solar experiments on cheaper solar energy. Solar/photovoltaic panels are u.. 2011. 2. 8. 이전 1 다음