GRANKIA GT685W-132M high efficiency topcon bifacial solar module 685w is optimized for both residential and commercial solar applications, providing superior energy generation and long-term reliability.
The bifacial solar module 685w employs advanced Topcon technology to maximize light absorption and improve conversion efficiency. With an impressive efficiency rating of up to 22.10%, it offers one of the highest levels of energy conversion on the market today.
Thanks to its bifacial design, the TOPCon solar module 685w can capture sunlight from both the front and rear sides of the module. This allows the panel to generate additional power by utilizing reflected light from the ground, increasing the overall energy yield by up to 25% in optimal conditions.
Bifacial Solar Module 685W Features
High Output Stability
The bifacial solar module’s design ensures consistent output over time, minimizing the degradation rate. With a low degradation rate of less than 0.45% per year, users can expect stable power generation and dependable performance throughout its operational lifetime.
Excellent Temperature Coefficient
The topcon bifacial solar module 685w has an outstanding temperature coefficient, ensuring that it maintains high efficiency and output even in high-temperature environments. This characteristic makes it particularly well-suited for hot climates or locations with high solar radiation.
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.
PID Resistance
The bifacial solar module can be resistant to Potential Induced Degradation (PID), a common issue that can affect solar panel performance over time. This resistance helps maintain the panel’s efficiency and longevity, ensuring reliable energy output throughout its lifespan.
Improved Shading Tolerance
The bifacial nature of the module not only increases energy generation from reflected light but also enhances shading tolerance. The monocrystalline photovoltaic module performs better than traditional mono-facial modules in partially shaded environments, helping to minimize the loss of energy production.
Technical Specifications
- Module Type: GT685W-132M
- Power Output: 685W
- Cell Type: N-TOPCon MBB (210mm)
- Cell Arrangement: 132Pcs (6x11x2)
- Bifacial Factor: Up to 80% additional power gain from rear side
- Efficiency: Up to 22.10%
- 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
Step-by-Step Installation Process
Site Assessment
- Choose an appropriate location for installation, ensuring it receives maximum sunlight exposure throughout the day.
- Check for any potential shading from trees, buildings, or other obstructions.
Design the Layout
- Plan the layout of the solar panels, considering the orientation (ideally south-facing in the Northern Hemisphere) and tilt angle for optimal sunlight capture.
- Determine the number of panels needed based on your energy requirements.
Install Mounting System
- Secure the mounting brackets to the roof or ground using the appropriate hardware. Ensure they are level and spaced correctly to support the solar panels.
- If installing on a roof, use flashing to prevent water leaks.
Attach the Solar Panels
- Carefully lift the bifacial solar panels and place them onto the mounting brackets.
- Secure the panels using the provided clamps or hardware, ensuring they are tightly fastened to prevent movement.
Wiring the Panels
- Connect the solar panels in series or parallel, depending on your system design. Follow the manufacturer’s wiring diagram for proper connections.
- Use weatherproof connectors and ensure all connections are secure to prevent moisture ingress.
Install Solar Inverter
- Mount the solar inverter in a shaded, accessible location, preferably close to the solar panels.
- Connect the inverter to the solar panel array using the appropriate wiring.
Connect to the Electrical System
- Connect the inverter to your home’s electrical system or battery storage system, following local electrical codes and regulations.
- Install a disconnect switch for safety.
Grounding the System
- Ground the solar panel system according to local codes to protect against electrical surges and ensure safety.
Final Inspection
- Conduct a final inspection of the installation to ensure all components are securely fastened and that there are no loose wires.
- If required, schedule an inspection with local authorities to ensure compliance with regulations.
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