Material: Polycrystalline Silicon Max Power: 180W Brand Name: ZMSOL Certificate: CE, ISO, FC, ... , RoHSBrand Name: ZMSOL Max Power: 10-300W Material: Polycrystalline Silicon and Monocrystalline Hebei Zhongming Energy&Technology Co.,Ltd.specifications: high-quality to ... original efficiency in 10 years, 80% in 25 years. Solar Panel Monocrystalline silicon 250w Grade A material