How to choose the solar panel (part1)
Start date: 26 February 2022 14:59
One solar panel is consist of Frame-Glass-EVA-Cells-EVA-Backsheet-Junction box.Do you know which materials are the most important for one solar panel? You may say all materials are important,it is correct.But there are some important materials that you can not distinguish by eyes or by touch.
Glass,Frame,and Junction box(cable and connector) are easy to check by eyes and touch. When you get one solar panel,you need to check the following items:
1)Whether there is any scratch on the frame,glass and backsheet?
2)Whether the frame is strong enough?
3)The inside of the junction box(you can open the cover of the junction box,some junction box is filled with silica gel inside and some was not)
4)Whether the silica gel is well overflow around the edge of the frame and the edge of the junction box?
Cell,EVA, and Backsheet are difficult to check,if you want to check these quality,you need to stay in the factory and check it during the production.
.........For more details you can check the link: How to choose the solar panel?