Haitai Solar HTM620DMH5-78NT 620W TOPCon Bifacial High-Efficiency Solar Module

Minimum Order 1 pallet / 36 Panels Haitai Solar HTM620DMH5-78NT 620W TOPCon Bifacial High-Efficiency Solar ModuleMaximum power from both sides — reliable, efficient, and built to last.The Haitai TaiHe 2.0 HTM620DMH5-78NT is a premium 78-cell bifacial solar panel featuring advanced N-type TOPCon technology. With a module efficiency of 22.18% and excellent bifacial performance, it delivers outstanding energy yield in real-world conditions, making it an ideal choice for residential rooftops, commercial installations, and ground-mounted systems.Key Features & Benefits Rated Power: 620W (STC) Module Efficiency: 22.18% Bifacial Power Gain (Rear Side): 5% gain → 651W (23.29% efficiency) 15% gain → 713W (25.51% efficiency) 25% gain → 775W (27.73% efficiency) Ultra-Low Degradation: Only 1.0% in the first year, then ≤0.4% per year Excellent Temperature Coefficient: -0.29%/°C (better performance in hot climates) High Durability: Withstands 5400Pa snow load and 2400Pa wind load Advanced Anti-LID & Anti-PID technology for long-term reliability Sleek Design: Black frame with uniform cell appearance Warranty 12 years product warranty 30 years linear power warranty (with 0.4% annual degradation after year 1) Ideal For Residential rooftops Commercial and industrial projects Ground-mounted solar farms High-albedo environments (white roofs, snow, sand) Why choose the Haitai 620W Bifacial? Superior energy production thanks to bifacial design, outstanding low-light and high-temperature performance, and rock-solid long-term reliability all backed by Haitai Solar’s quality manufacturing.STC: Irradiance 1000 W/m², Cell Temperature 25°C, AM 1.5 DATA SHEET