Sonnex Energie N-type 580W solar modules are produced with high efficiency TOPCon cells (HJT cell is also available). With excellent power performance, our N-type solar modules ensure more power generation in 30 years. We are applying more reliable encapsulation materials, IP68 junction box and Stäubli EVO2 connetors and we offer up to 30 years product warranty and 30 years power warranty