High Efficiency Monocrystalline Solar Panels 290W-300W PERC N-TYPE TOPCON for Residential and Commercial PV Systems TTN. Featuring high module efficiency up to 18.44%, A-grade cells, and durable design with QC4 connectors, these panels deliver superior energy output, excellent low-light performance, and long-term reliability. Ideal for rooftop and commercial installations requiring space-efficient, high-power solar solutions.More