Designed for commercial and utility-scale applications, the LONGi Solar Ultra 540W delivers 540W of maximum power output with an impressive 23.66% module efficiency. With its exceptional 23.66% efficiency rating, this panel maximizes power density for space-constrained installations. Backed by a comprehensive 25-year warranty, the Ultra 540W is built for decades of reliable energy production. Measuring 2278 x 1134 x 35 mm and weighing 25.4kg, the Ultra 540W is designed for efficient handling and installation.