If you see dark spots on your panels, this could be a sign that your panels are undergoing delamination, and you should contact your installer for an inspection.
[pdf] The difference in color is due to the composition of the panels. Blue panels are made with monocrystalline silicon cells, while black panels use polycrystalline cells.
[pdf] The requirements for sealing and waterproofing energy storage cabinets include an appropriate material selection, testing for environmental factors, structural design considerations, compliance with applicable standards, and implementation of maintenance protocols.
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