High-Efficiency 640W Bifacial Solar Panel for Commercial Use

High-Efficiency 640W Bifacial Solar Panel for Commercial Use. 30-Year Power Warranty: Comes with a 12-year product warranty and a 30-year limited power output warranty. High Efficiency Modules: Features 640W bifacial monocrystalline silicon panels with up to 22.90% module efficiency. Global Certifications: Certified by TUV, CE, ISO, BIS, IEC Retie, and other international standards. OEM/ODM Support: Offers full customization including brand, design, and samples with flexible options. 24/7 Technical Support: Engineer team available 7x24 hours online for pre-sale and after-sale service. 100% Quality Testing: Every panel undergoes 100% visual and functional inspection before delivery. Large Production Capacity: Annual production capacity exceeds 3GW with state-of-the-art manufacturing lines. Safe Packaging Design: Nice-designed package ensures safety during transportation and avoids shipping damage.