Internal Reference:
LR8-66HVD-660M
The LONGi Hi-MO X10 Scientist 660W bifacial panel combines N-type TaiRay wafers with HPBC 2.0 back-contact cells and 0BB design for peak efficiency, no frontal gridlines, fewer micro-cracks, anti-shading and protection against localized overheating. Dual glass, IP68 junction box, 15-year product and 30-year power warranty.
Technical Specifications
| Module Type | LR8-66HVD-640M | LR8-66HVD-645M | LR8-66HVD-650M | LR8-66HVD-655M | LR8-66HVD-660M | LR8-66HVD-665M |
| Electrical Characteristics (STC / NOCT) | ||||||
| Maximum Power (Pmax/W) | 640 / 487.2 | 645 / 491.0 | 650 / 494.8 | 655 / 498.6 | 660 / 502.4 | 665 / 506.2 |
| Open Circuit Voltage (Voc/V) | 49.52 / 47.06 | 49.62 / 47.16 | 49.72 / 47.25 | 49.82 / 47.35 | 49.92 / 47.44 | 50.02 / 47.54 |
| Short Circuit Current (Isc/A) | 16.38 / 13.16 | 16.46 / 13.22 | 16.54 / 13.28 | 16.62 / 13.35 | 16.70 / 13.41 | 16.78 / 13.48 |
| Voltage at Maximum Power (Vmp/V) | 40.78 / 38.76 | 40.88 / 38.85 | 40.98 / 38.95 | 41.08 / 39.04 | 41.18 / 39.14 | 41.28 / 39.23 |
| Current at Maximum Power (Imp/A) | 15.69 / 12.58 | 15.78 / 12.65 | 15.86 / 12.72 | 15.94 / 12.78 | 16.03 / 12.85 | 16.11 / 12.92 |
| Module Efficiency (%) | 23.7 | 23.9 | 24.1 | 24.2 | 24.4 | 24.6 |
| Test conditions | STC: AM1.5 1000W/m² 25°C | NOCT: AM1.5 800W/m² 20°C 1m/s | Pmax uncertainty ±3% | |||||
| Mechanical Parameters | ||||||
| Cell Orientation | 132 (6×22), BC-Cell | |||||
| Junction Box | IP68, three diodes | |||||
| Output Cable | 4mm², +400, -200mm/±1400mm, length can be customized | |||||
| Glass | Dual glass, 2.0+2.0mm heat strengthened glass | |||||
| Frame | Anodized aluminum alloy frame | |||||
| Weight | 33.5kg | |||||
| Dimension | 2382×1134×30mm | |||||
| Packaging | 36pcs per pallet / 144pcs per 20’ GP / 720pcs per 40’ HC | |||||
| Operating Parameters | ||||||
| Operational Temperature | -40°C ~ +85°C | |||||
| Power Output Tolerance | 0 ~ 3% | |||||
| Maximum System Voltage | DC1500V (IEC/UL) | |||||
| Maximum Series Fuse Rating | 35A | |||||
| Nominal Operating Cell Temperature | 45±2°C | |||||
| Protection Class | Class II | |||||
| Bifaciality | 75±5% | |||||
| Fire Rating | IEC Class C | |||||
| Mechanical Loading | ||||||
| Front / Rear Side Maximum Static Loading | 5400Pa / 2400Pa | |||||
| Hailstone Test | 25mm Hailstone at the 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 | |||||
| Warranty | ||||||
| Materials and Processing | 15-year | |||||
| Linear Power Output | 30-year | |||||
| First year / Year 2-30 power degradation | <1% / 0.35% | |||||