LONGi Solar Panel Datasheet — LR8-66HYD-645W-HYDROCLEAR
Discover the LONGi Hi-MO 9 HydroClear LR8-66HYD 645W solar panel with 635W power output and high efficiency for optimal energy solutions.
SKU: LR8-66HYD-645W-HYDROCLEAR | Last Updated: 2026-03-25
⚡Electrical Specifications
| Maximum Power (Pmax) | 645W |
| Open Circuit Voltage (Voc) | 49.69V |
| Short Circuit Current (Isc) | 13.42A |
| Maximum Power Voltage (Vmpp) | 40.88V |
| Maximum Power Current (Impp) | 15.58A |
| Module Efficiency | 23.9% |
🔧Mechanical Specifications
| Cell Orientation | 132 (6×22) |
| 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 |
🌡️Environmental Specifications
| Temperature Coefficient of Isc | +0.050%/°C |
| Temperature Coefficient of Voc | -0.200%/°C |
| Temperature Coefficient of Pmax | -0.260%/°C |
| Front Side Maximum Static Loading | 5400Pa |
| Rear Side Maximum Static Loading | 2400Pa |
| Hailstone Test | 25mm Hailstone at the speed of 23m/s |
| Operational Temperature | -40°C to +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 | UL Type 29, IEC Class C |
📏Dimensions
Width
Height
Depth
Weight33.5kg
✅Certifications
IEC 61215IEC 61730UL 1703UL 61730ISO9001:2015ISO14001:2015ISO45001:2018IEC62941