Sunpal Double Glass Bifacial Solar Panels are high-efficiency monocrystalline PV modules with advanced PERC, Half Cell, and Bifacial technology. Offering 21.63% efficiency and durability with 2400Pa wind and 5400Pa snow load resistance, these 650W-700W panels are ideal for residential and commercial solar power systems. Featuring 210mmx210mm cells and a robust double-glass design, they ensure long-term performance in diverse environments.More