GT620W-120M best topcon dual glass solar panels 620w for home
Bifacial Solar Panel | 620Wp | 41.40V | 21.91% | 2172x1303x30/35 mm | 40HQ: 720 / 620 Pieces
GRANKIA GT620W-120M best topcon dual glass solar panels 620w for home is not only efficient but also durable, making it an ideal choice for homeowners looking to harness solar energy effectively.
With a maximum output of 620 watts, these dual glass solar panels can maximize energy production, making them suitable for homes with higher energy demands. This high power output allows homeowners to reduce their reliance on grid electricity significantly.
The dual glass design enhances durability and longevity. It provides superior protection against environmental factors such as moisture, dust, and UV radiation, ensuring that the module maintains its performance over time.
Dual Glass Solar Panels 620W Features
Topcon Technology
The innovative Topcon technology used in the dual glass solar panels 620w enhances the efficiency of the solar cells by reducing recombination losses. This results in higher energy conversion rates and improved overall performance.
Bifacial Energy Generation
The dual glass design allows for bifacial energy generation, meaning that the panels can capture sunlight from both the front and back sides. This feature can increase overall energy yield, especially in installations where reflective surfaces (like white roofs or ground) are present.
Low Light Performance
These solar panels are engineered to perform exceptionally well in low-light conditions, such as cloudy days or early mornings. This capability ensures that homeowners can still generate electricity even when sunlight is not at its peak.
Compatibility with Smart Energy Systems
The dual glass solar panels can be compatible with various smart energy management systems, allowing homeowners to monitor and optimize their energy usage. This integration can lead to further energy savings and efficiency.
Robust Performance in Diverse Conditions
The solar panels are tested to withstand extreme weather conditions, including heavy snowfall, high winds, and salt mist, making them suitable for a wide range of geographical locations.
Technical Specifications
- Module Type: GT620W-120M
- Power Output: 620W
- Cell Type: N-TOPCon MBB (210mm)
- Cell Arrangement: 120Pcs (6x10x2)
- Bifacial Factor: Up to 80% additional power gain from rear side
- Efficiency: Up to 21.91%
- Dimensions: Optimized for easy handling and installation
- Glass: Dual-glass (tempered, anti-reflective coating)
- Frame: Anodized aluminum alloy for added rigidity
- Connector: Industry-standard, compatible with most inverters
- Operating Temperature: -40°C to +85°C
Applications
The GT620W-120M dual glass solar panels 620w are perfect for residential applications, including:
- Rooftop installations for homes
- Off-grid systems for cabins and remote locations
- Integration with battery storage systems for energy independence
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| Model No. | GT620W-120M |
| Warranty | |
| Product Warranty | 12 Years |
| Power Warranty | 30 Years warranty for Extra Linear Power Output |
| Electrical Data at STC | |
| Maximum Power (Pmax) | 620Wp |
| Voltage at Pmax (Vmpp) | 41.40V |
| Current at Pmax (Impp) | 14.99A |
| Open Circuit Voltage (Voc) | 49.60V |
| Short Circuit Current (Isc) | 15.91A |
| Panel Efficiency | 21.91% |
| 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 |
|
| 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) | 2172x1303x30/35 mm |
| Weight | 35.3Kg |
| Cell Type | 210mm MBB N-TOPCon |
| Cell Number | 120Pcs (6x10x2) |
| Superstrate | High Transmission, AR Coated Heat Strengthened Glass |
| Substrate | Heat Strengthened Glass |
| 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 (30mm) or 31 Piece / Pallet (35mm) |
| 40HQ Container Load | 720 Pieces / 620 Pieces |
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