Four grades of solar panels

The grade of solar panels can be divided into grade A, B, C and D, while grade A modules can be divided into grade A+ and A-. The same is true for class B. The cost of different grades of solar panels also varies greatly. As for grade A cell reaching the highest quality level, it can be available to any component. Grade B cell is slightly lower than grade A. Moreover, grade C battery may be badly defective, even with no corner. It is only suitable for making it into small pieces for customers with special needs. As for grade D, we call them fragments and supply them with special needs.

Manners of judgments of grade

However, how to judge the grade of solar photovoltaic panels? It can be judged by appearance. For example, we can examine the toughened glass surface carefully. The products of small manufacturers are relatively rough, and the silica gel left on the surface will reduce the efficiency of the power generation of the panel. Besides, checking whether the battery is cracked or cracked remains an efficient way. There are many irregular manufacturers with broken battery splicing, which may affect the safety of the whole panel. In addition, we can focus on the quality of the pressure on the back. If there are uneven conditions after pressure, such as bubbles, folds and so on, it can be regarded as relatively poor quality products.

Where can I buy solar panels?

Well, right here on this website, of course!
YIWU GREENWAY IMP & EXP CO., LTD the one stop supplier for solar irrigation and solar off grid home systems. We produce large quantities of our own brand and customer OEM solar panels. And we always have huge stock solar panels of top 10 brands like Jinko solar, Trina solar, Yingli solar, Canadian solar, Gcl solar, risen solar, Hareon solar Q cell /Hanwha LDK etc.