LONGi Solar LR8-66HVD-640/645/650/655/660/665W-SCIENTIST
Discover the LONGi Hi-MO X10 Scientist LR8-66HVD 640W solar panel with up to 665W power output and high efficiency for optimal performance.
Technical Specifications
| Parameter | LR8-66HVD-640W-SCIENTIST | LR8-66HVD-645W-SCIENTIST | LR8-66HVD-650W-SCIENTIST | LR8-66HVD-655W-SCIENTIST | LR8-66HVD-660W-SCIENTIST | LR8-66HVD-665W-SCIENTIST |
|---|---|---|---|---|---|---|
| Electrical Data (STC) | ||||||
| Maximum Power (Pmax) | 640W | 645W | 650W | 655W | 660W | 665W |
| Open Circuit Voltage (Voc) | 49.52V | 49.62V | 49.72V | 49.82V | 49.92V | 50.02V |
| Short Circuit Current (Isc) | 16.38A | 16.66A | 16.54A | 16.62A | 16.70A | 16.78A |
| Voltage at Maximum Power (Vmpp) | 40.78V | 40.88V | 40.98V | 41.08V | 41.18V | 41.28V |
| Current at Maximum Power (Impp) | 15.69A | 15.78A | 15.86A | 15.94A | 16.03A | 16.11A |
| Module Efficiency | 23.69% | 23.88% | 24.06% | 24.25% | 24.43% | 24.62% |
| Mechanical Specifications | ||||||
| Dimensions (L×W×H) | 2382×1134×30mm | |||||
| Weight | 33.5kg | |||||
| Frame Material | Anodized aluminum alloy frame | |||||
| Glass | Dual glass, 2.0+2.0mm semi-tempered glass | |||||
| Temperature Coefficients | ||||||
| Temperature Coefficient of Isc | +0.050%/°C | |||||
| Temperature Coefficient of Voc | -0.200%/°C | |||||
| Temperature Coefficient of Pmax | -0.260%/°C | |||||
| Mechanical Loading | ||||||
| Front Side Maximum Static Loading | 5400Pa | |||||
| Rear Side Maximum Static Loading | 2400Pa | |||||
| Operating Conditions | ||||||
| Operational Temperature | -40°C to +85°C | |||||
| Power Output Tolerance | 0~3% | |||||
| Maximum System Voltage | DC1500V (IEC) | |||||
| Maximum Series Fuse Rating | 35A | |||||
| Nominal Operating Cell Temperature | 45±2°C | |||||
Figures are measured at the test conditions the manufacturer’s datasheet states. A dash means the manufacturer publishes no figure for that model.
Availability & grid compliance in Yemen
| Market | Yemen |
| Grid authority / regulator | Public Electricity Corporation (PEC), Ministry of Electricity and Energy |
| Quotation currency | YER |
| Support hours timezone | Asia/Aden |
| Delivery & installation coverage | Sana'a, Aden, Taiz, Al Hudaydah, Mukalla |
Figures on this page are the manufacturer's own, measured at the test conditions the datasheet states — they do not change by country. What changes is the approval that has to be met before the unit is energised: in Yemen that is Public Electricity Corporation (PEC), Ministry of Electricity and Energy. Confirm the grid code, import requirements and any local certification with them, or with us, before you order.
Key Features & Technical Highlights
- N-TaiRay + HPBC 2.0 +: N-TaiRay + HPBC 2.0 + 0BB
- Power Leads by 30W+, A+: Power Leads by 30W+, A+ Anti-Shading
- No Frontal Gridlines, Scenario Integration: No Frontal Gridlines, Scenario Integration
- Prevent Localized Overheating, Less Micro-Crack: Prevent Localized Overheating, Less Micro-Crack
Frequently Asked Questions
What is the maximum power output and efficiency of the Hi-MO X10 Scientist LR8-66HVD 640-665M solar panel?
The maximum power output of the Hi-MO X10 Scientist LR8-66HVD 640-665M solar panel is 640W, with a module efficiency of 23.69%. This high efficiency ensures optimal energy conversion from sunlight.
What are the physical dimensions and weight of this solar panel?
The dimensions of the solar panel are 2382mm in length, 1134mm in width, and 30mm in height. It weighs 33.5kg, making it manageable for installation while providing a robust structure.
How does the solar panel perform under different temperatures?
The temperature coefficients are +0.050%/°C for Isc, -0.200%/°C for Voc, and -0.260%/°C for Pmax. These coefficients indicate that the panel has a stable performance across a range of temperatures, with minimal efficiency loss.
What certifications does this solar panel have to ensure its durability?
The Hi-MO X10 Scientist LR8-66HVD 640-665M is certified under IEC 61215, IEC 61730, ISO9001:2015, ISO14001:2015, ISO45001:2018, and IEC62941. These certifications confirm its reliability and durability in various environmental conditions.
What warranty coverage is available for this solar panel?
LONGi Solar typically offers a product warranty and a performance warranty for their panels. The specific terms can vary, so it's advisable to check with the supplier for detailed warranty information.
What are the installation requirements for this solar panel?
The panel requires a suitable mounting system and is designed to handle a maximum static loading of 5400Pa on the front and 2400Pa on the rear. It is compatible with standard system voltages used in solar installations.
Is this solar panel compatible with all inverters and systems?
The Hi-MO X10 Scientist LR8-66HVD 640-665M is compatible with most modern inverters and solar systems. However, it is recommended to verify compatibility with specific inverters to ensure optimal performance.
How resistant is this solar panel to environmental factors like salt and ammonia?
The dual glass design and anodized aluminum alloy frame provide excellent resistance to environmental factors such as salt mist and ammonia, making it suitable for installation in coastal and agricultural areas.