The monocristalline bifacial 330 Wp modules Blackstar made by company Solitek are suitable for the hardest weather conditions. The fire class A makes the modules almost non-flammable. All this atributes are the reason of 30 years long product warranty. The module is made of 60 bifacial monokcrystalline cells in elegant all-black design. SoliTek guarantees 87% of nominal power after 30 years. The assurance of quality is european production with the highest standards and 22 years of experiences.