When users get a component, they should look at it from four aspects.
First look at the brand, to see if the module is produced by a first-tier brand, you can check the serial number on the module, and now there are many OEMs in small factories, so pay special attention.
Second, look at the appearance of the components. A-level components will not have poor appearance. The main manifestations of poor appearance are color spots, color differences, aluminum thorns, bulges, broken grids, nodes, graphic offsets, chipped corners, chipped edges, and notches. wait.
The third is to look at the appearance and packaging of the components. A-level components will not have backplane failure, cell soldering, over-soldering, poor sealing, backplane scratches, frame scratches, glass scratches, etc., while B and C grades will not have such situations.
Fourth, look at the packaging of the junction box on the back of the module. The component junction boxes produced by some small factories have rough packaging and irregular wiring.
As an important part of a photovoltaic power station, photovoltaic modules are closely related to the user’s power generation income, so you should not be confused when choosing, and you must master the coup of selection, so that the power station’s income can be guaranteed.