Peak power:180watt Cell:125mm*125mm*72pcs mono Max power voltage:35.2v Max power current:5.11a Open circuit voltage:43.6v Short circuit current:5.5a Maximum system voltage:1000vdc Dimension:1580*808*50mm Weight:16kg 10 years 90% output power and 25 years 80% output power Otherwise we also offer solar panel from 5watts to 300watts.We have certification:tuv, ce, iso9000. We guarantee the product quality.Most important, we will give you a competitive price. 1580*808*50mm, 15kg