Bifacial Solar Panel | 580Wp | 42.37V | 22.45% | 2278x1134x30mm | 40HQ: 720 Pieces
GRANKIA GT580W-144M high efficiency topcon solar panel pv module 580w is using advanced technology to maximize energy production while ensuring durability and reliability.
The topcon solar panel pv module 580w is equipped with high-transmittance, low-iron tempered glass that enhances durability and resistance to environmental factors. The robust aluminum frame provides additional strength, ensuring that the panel can withstand heavy impacts and harsh weather conditions, including hail and strong winds.
The GT580W-144M solar panel pv module 580w features an anti-reflective coating that minimizes light reflection and maximizes light absorption. This innovative coating enhances the overall efficiency of the solar cells, allowing for greater energy production from the same amount of sunlight.

High PID Resistance
The module is engineered with high Potential Induced Degradation (PID) resistance, ensuring long-term reliability and performance. This feature minimizes the risk of power loss due to environmental factors, providing peace of mind for users and maximizing the return on investment.
Bifacial Design
This design allows for light absorption from both sides of the panel, significantly increasing overall energy production by capturing reflected and direct sunlight.
High-Efficiency Cells
The solar panel pv module utilizes 144 high-performance N-TOPCon solar cells, arranged in a 6×12 configuration. These 182mm Multi-Busbar (MBB) cells enhance light absorption and reduce resistive losses, resulting in higher energy conversion efficiency. The innovative design of the N-TOPCon technology allows for improved performance in low-light conditions, making this module ideal for various environmental settings.
Current Sorting Process
The GT580W-144M undergoes a meticulous current sorting process during manufacturing. This ensures that each module operates at optimal performance levels, allowing for better system integration and enhanced overall efficiency. By matching modules with similar current characteristics, users can achieve higher energy yields and improved system reliability.
Extended Wind and Snow Load Tests
Designed to withstand harsh weather conditions, the solar panel pv module has undergone extensive wind and snow load testing. This rigorous testing guarantees that the module can endure extreme environmental stresses, making it suitable for installation in diverse geographical locations. The robust construction ensures longevity and durability, even in challenging climates.
Enhanced Temperature Coefficient
The topcon solar panel boasts an excellent temperature coefficient, which means it performs better in high-temperature conditions compared to standard solar panels. This feature ensures that the module maintains high efficiency even in hot climates, leading to increased energy output throughout the day.
Optimized Temperature Coefficient
Maintains stable energy output in hot climates with an excellent temperature coefficient.
Utility-Scale Solar Farms: Maximize land usage with high-output panels.
Commercial Installations: Lower energy costs with reliable, long-term performance.
Residential Systems: Reduce your carbon footprint while enjoying energy independence.
| Model No. | GT580W-144M |
| Warranty | |
| Product Warranty | 12 Years |
| Power Warranty | 30 Years warranty for Extra Linear Power Output |
| Electrical Data at STC | |
| Maximum Power (Pmax) | 580Wp |
| Voltage at Pmax (Vmpp) | 42.37V |
| Current at Pmax (Impp) | 13.69A |
| Open Circuit Voltage (Voc) | 51.02V |
| Short Circuit Current (Isc) | 14.47A |
| Panel Efficiency | 22.45% |
| Power Tolerance | 0 ~ +5W |
| Standard Test Conditions (STC): air mass AM 1.5, irradiance 1000W/m2, cell temperature 25°C Bifacial NamePlate Irradiance (BNPI): front 1000W/m2, rear 135W/m2, AM 1.5, cell temperature 25°C |
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| Thermal Ratings | |
| Operating Temperature Range | -40 °C ~ 85 °C |
| Temperature Coefficient of Pmax | -0.24 %/°C |
| Temperature Coefficient of Voc | -0.22 %/°C |
| Temperature Coefficient of Isc | 0.047 %/°C |
| Maximum Ratings | |
| Maximum System Voltage | 1500VDC (IEC) |
| Maximum Series Fuse | 30A |
| Material Data | |
| Panel Dimension (H/W/D) | 2278x1134x30 mm |
| Weight | 31.8Kg |
| Cell Type | 182mm MBB N-TOPCon |
| Cell Number | 144Pcs (6x12x2) |
| Front / Back Glass | 2.0mm / 2.0mm |
| Frame Type | Anodized Aluminium Alloy, Silver Color |
| Junction Box | Potted, IP68, 1500VDC |
| Connector Type | MC4 Connectors |
| Cable | 4.0mm2, 300mm / Customized |
| Packing Information | |
| Quantity / Pallet | 36 Pieces / Pallet |
| 40HQ Container Load | 720 Pieces |