As one of the latest offerings from Tongwei Solar, the Bifacial 620W represents cutting-edge N-Type TOPCon Bifacial solar technology optimized for maximum energy yield. With its exceptional 22.98% 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 Tongwei Solar modules. Measuring 2278 x 1134 x 35 mm and weighing 32.2kg, the Bifacial 620W is designed for efficient handling and installation.