To adjust, simply lift up the shelf from the lugs, which are inserted into the cabinet interior wall. Put the lugs in the new position and place the shelf securely on top. Adjust the charging points to suit your battery charging requirements.
The typical construction follows a specific order from top to bottom: protective glass cover, encapsulation film, photovoltaic cells, back encapsulation layer, protective backsheet or rear glass, and aluminum frame with junction box attachment.