Xiamen D.T. Multi Tech Co., Ltd. is one of the most reliable manufacturers and suppliers of bifacial double glass module in China. With abundant experience, we warmly welcome you to wholesale cheap bifacial double glass module from our factory. If you have any enquiry about cooperation, please feel free to email us.
740W N-type High-Efficiency Solar Solution
Maximize your project's energy yield with our flagship Bifacial Double Glass Module, engineered for the next generation of utility-scale solar plants and C&I (Commercial & Industrial) projects. Leveraging advanced N-type TNC technology, this 66-cell format module delivers an industry-leading power output of up to 740W, ensuring the lowest possible LCOE (Levelized Cost of Energy) for developers and EPC contractors.
Core Technical Advantages
Our N-type bifacial modules are designed to outperform traditional P-type panels, especially in demanding environments. By utilizing 132 half-cut cells (2x66 layout), we've optimized the electrical balance to ensure high compatibility with mainstream high-power inverters.
- Ultra-High Efficiency: Reaching up to 23.8% module efficiency, allowing for more power generation in a smaller footprint.
- Superior Bifaciality: The double-glass architecture captures sunlight from both sides. Depending on the installation surface (albedo), you can achieve a bifacial power gain of 5% to 25%, significantly boosting the total energy harvest.
- Reliable N-type TNC Technology: Unlike conventional modules, our N-type cells are inherently immune to LID (Light Induced Degradation) and LeTID, ensuring your investment maintains peak performance over its entire lifespan.
- Enhanced Durability: Featuring 2.0mm semi-tempered bifacial glass on both sides and an anodized aluminum alloy frame, this module is built to withstand extreme weather, including a front-side static load of 5400Pa and a rear-side load of 2400Pa.
Mechanical Parameters
| Cell Type | TNC |
| Cell Arrangement | 132 cells [6×22] |
| Module Dimensions | 2384±2 × 1303±2 × 33 mm |
| Module Weight | 37.3 kg |
| Front Glass | 2.0mm coated semi-tempered glass |
| Back Glass | 2.0mm semi-tempered glass |
| Module Frame | Anodized aluminum alloy |
| Junction Box | IP68, 3 diodes |
| Cable | 4.0 mm² |
| Cable Length | +400mm, -200mm or ±1400mm; or customized |
| Maximum Static Test Load | Front side: 5400Pa, Back side: 2400Pa |
| Per Pallet | 33 pieces |
| Loading Quantity | 40' High Cube Container: 594 pieces |
| 13m Flatbed Truck: 594 pieces | |
| 17.5m Flatbed Truck: 726 pieces |
From Commercial Rooftops to Utility-Scale Power Plants
The versatility of the Bifacial Double Glass Module makes it a strategic choice for investors focusing on two primary high-yield sectors: Commercial & Industrial (C&I) rooftops and utility-scale ground-mounted stations. By engineering a module that balances high power density with long-term structural integrity, we provide a solution that adapts to the unique spatial and environmental constraints of these professional applications.
1. Optimization for Commercial & Industrial (C&I) Rooftops
For factory owners and enterprise investors, maximizing the power generation per square meter is essential to accelerating the return on investment.
Higher Power Density: The 740W output ensures that even with limited rooftop space, the total installed capacity is maximized, directly reducing the cost per watt of the mounting system and electrical balance.
2. Performance Stability in Utility-Scale Ground Stations
In large-scale ground-mounted projects, environmental durability and energy yield consistency are the key drivers of project bankability.
Capturing Albedo Gain: Ground stations installed on high-albedo surfaces-such as sandy terrain, gravel, or light-colored soil-benefit immensely from the bifacial design. The rear-side light capture significantly increases the total kilowatt-hours produced throughout the year.
FAQ
Q: How does N-type TNC technology compare to standard P-type PERC panels in hot climates?
A: N-type TNC cells have a superior temperature coefficient. While P-type panels lose significant efficiency as temperatures rise, our N-type modules maintain higher output in peak summer heat. Additionally, N-type material is naturally immune to LID (Light Induced Degradation), ensuring higher energy yield from day one.
Q: Is the 2.0mm double-glass structure strong enough for high-wind or heavy-snow regions?
A: Yes. The dual-pane semi-tempered glass, combined with a high-strength 33mm aluminum frame, is certified to withstand a front-side snow load of **5400Pa** and a rear-side wind load of **2400Pa**. The double-glass design also provides better protection against micro-cracking compared to backsheet modules.
Q: What is the first-year degradation rate, and what is the 30-year outlook?
A: We guarantee a first-year degradation of **less than 1.0%**. From year 2 to year 30, the annual linear degradation is capped at **0.4%**. This means after 30 years, your modules will still perform at a minimum of **87.4%** of their original rated power.
Q: What certifications do these modules currently hold for the European and African markets?
A: Our products are manufactured in facilities that meet ISO 9001/14001/45001 standards. We provide CE and TUV certifications, and for specific emerging markets, we are actively pursuing **VeraSol** certification to ensure compliance with off-grid and mini-grid project requirements.
Q: How does the 2.0mm glass perform against salt mist or ammonia corrosion?
A: Glass is naturally inert. The double-glass design makes these modules ideal for coastal regions (salt mist) and agricultural/livestock farms (ammonia), where backsheet-based panels might degrade or yellow over time.
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