250W مخزنة بولي الألواح الشمسية للبيع

وصف المنتج 1)Long lifetime: more than 25years,less power decrease. 2)Good performance of preventing from atrocious weather such as wind and hails. 3)Resisting moisture and etching effectively,not effect by geology. 4)Warranty:10 year product warranty,and Pmax is no less than 90% in 10 years and 80% in 20 years. 5)Tolerance:+/-5%, solar cell`s...