The Q CELLS Bifacial 640W (2023) is a high-performance N-Type TOPCon Bifacial solar module engineered for professional installations. With its exceptional 22.68% efficiency rating, this panel maximizes power density for space-constrained installations. An industry-leading 30-year performance warranty underscores the long-term reliability and durability of Q CELLS modules. Measuring 2278 x 1134 x 35 mm and weighing 32.3kg, the Bifacial 640W (2023) is designed for efficient handling and installation.