G12 PERC Shingled. G12 PERC Shingled Technology provides ultra-high effiviency with better performance in low irradiation. Maximizes installation capacity in limited space. Mechanical Strength. Tempered glass and reinforced frame design withstand rigorous weather conditions such as heacy snow and strong wind. Reliable Warranty. Global brand with powerful financial strengh provide reliable 25-year warranty (Australia and Europe only). UL/VDE Test Labs. Hyundai's R&D center is an accredited test laboratory of both UL and VDE.