The Difference of Grade A & Grade B of Solar Panel

When we quote solar panels, generally we will quote the corresponding solar panels (Grade A or Grade B) according to the actual needs of customers, some customers will ask what is the difference between Grade A & Grade b?

In Brief, The main difference as below:

Grade A is to meet the European quality standards, power and voltage consistency is very good, can be more pieces of series-parallel connection, suitable for on grid-connected and large power plants.

Grade B is the leftover from A, voltage and power will be slightly different, or up or down, can be used in off-grid home systems that do not require too high a voltage, can be a small number of series-parallel connection.

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