LonGi 640W Solar Panel Overview
The LonGi 640W Solar Panel (Hi-MO 9, LR7-72HYD 625~660M) is designed for large-scale utility applications, offering an outstanding balance of efficiency and performance. Equipped with TaiRay wafer and BC-cell technology, this solar panel delivers more than 6.5% power generation gain, ensuring high energy output throughout its lifecycle. With a bifaciality rate of up to 70%-90%, this model maximizes power output by capturing reflected light from the rear side.
LonGi Solar 640W Key Features
- Maximum Efficiency: With up to 24.4% module efficiency, the LonGi 640W Solar Panel ensures superior energy conversion and excellent performance in various environmental conditions.
- Bifacial Design: The bifaciality design enhances energy yield by utilizing light from both the front and rear sides, increasing overall power generation.
- Durability: The dual glass structure with 2.0+2.0mm semi-tempered glass offers enhanced resistance to environmental stressors like wind and snow.
- Low Temperature Coefficient: With a Pmax temperature coefficient of -0.260%/°C, the panel performs efficiently even in high-temperature environments.
- Guaranteed Performance: 12-year warranty for materials and processing, and a 30-year warranty for linear power output ensures long-term reliability.
LonGi 640W Datasheet
Mechanical Parameters
- Cell Orientation: 144 (6×24)
- Junction Box: IP68, three diodes
- Output Cable: 4mm², +400, -200mm/±1400mm (customizable length)
- Glass: Dual glass, 2.0+2.0mm semi-tempered glass
- Frame: Anodized aluminum alloy frame
- Weight: 33.5 kg
- Dimensions: 2382×1134×30mm
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Packaging:
- 36 pcs per pallet
- 144 pcs per 20' GP container
- 720 pcs per 40' HC container
Electrical Characteristics
- Maximum Power (Pmax): 625W - 660W
- Module Efficiency (%): 23.1% - 24.4%
- Open Circuit Voltage (Voc): 53.0 - 53.8V
- Short Circuit Current (Isc): 14.85 - 15.38A
- Voltage at Maximum Power (Vmp): 44.16 - 46.0V
- Current at Maximum Power (Imp): 14.12 - 14.58A
Operating Parameters
- Operational Temperature: -40°C ~ +85°C
- Maximum System Voltage: DC1500V (IEC/UL)
- Maximum Series Fuse Rating: 30A
- Nominal Operating Cell Temperature: 45±2°C
- Protection Class: Class II
Mechanical Loading
- Front Side Maximum Static Loading: 5400Pa
- Rear Side Maximum Static Loading: 2400Pa
- Hailstone Test: 25mm hailstone at a speed of 23m/s
Temperature Ratings (STC)
- Temperature Coefficient of Isc: +0.050%/°C
- Temperature Coefficient of Voc: -0.200%/°C
- Temperature Coefficient of Pmax: -0.260%/°C
Application
The LonGi 640W Solar Panel (Hi-MO 9, LR7-72HYD 625~660M) is ideal for utility-scale solar farms and large commercial installations where high power output and superior efficiency are critical. Its bifacial design makes it suitable for installations on reflective surfaces like rooftops and agricultural settings, where the panel's rear side can capture additional light to maximize energy production.
Certifications
The LonGi 640W Solar Panel complies with the following certifications:
- IEC 61215, IEC 61730, UL 61730
- ISO9001:2015 Quality Management System
- ISO14001:2015 Environmental Management System
- ISO45001: 2018 Occupational Health and Safety
- IEC62941: Guideline for module design qualification and type approval
Warranty
The LonGi 640W Solar Panel comes with a comprehensive warranty:
- 12-year warranty for materials and processing
- 30-year warranty for extra linear power output, ensuring peace of mind for long-term investment in clean energy.
This LonGi 640W Solar Panel (Hi-MO 9, LR7-72HYD 625~660M) offers high-efficiency performance with durable construction, making it a premium choice for large-scale energy projects.
LonGi 640 Watt Solar Panel Details
LONGi 640W Solar Panel, featuring bifacial technology, Hi-MO 9, and LR7-72HYD with a power output range of 625-660M. This product optimizes power generation throughout its entire lifecycle, resulting in over 6.5% increased power production. TaiRay wafer and BC technologies enhance the quality of high-quality wafers, while smart manufacturing and LONGi product lifecycle standards guarantee exceptional product quality. A 12-year warranty covers materials and processing, with a 30-year warranty for extra linear power output. The complete system and product meet certifications from IEC 61215, IEC 61730, UL 61730, ISO 9001:2015, ISO 14001:2015, ISO 45001:2018, and EC62941.
LonGi 640W Solar Panel (Bifacial, Hi-MO 9, LR7-72HYD 625~660M)
LonGi 640W Solar Panel (Bifacial, Hi-MO9, LR7-72HYD) with power output range of 625-660M
