LONGi Solar Panel Datasheet — LR5-66HTH-540W
Discover the LONGi Hi-MO X6 Explorer LR5-66HTH 540W solar panel with high efficiency and up to 540W power output.
SKU: LR5-66HTH-540W | Last Updated: 2026-03-25
⚡Electrical Specifications
| Maximum Power (Pmax) | 540W |
| Open Circuit Voltage (Voc) | 48.87V |
| Short Circuit Current (Isc) | 14.15A |
| Maximum Power Voltage (Vmpp) | 40.53V |
| Maximum Power Current (Impp) | 13.33A |
| Module Efficiency | 22.7% |
🔧Mechanical Specifications
| Dimensions (L×W×H) | 2094×1134×35mm |
| Weight | 26.6kg |
| Frame Material | Anodized aluminum alloy frame |
| Glass | Single glass, 3.2mm coated tempered glass |
🌡️Environmental Specifications
| Temperature Coefficient of Isc | +0.050%/°C |
| Temperature Coefficient of Voc | -0.230%/°C |
| Temperature Coefficient of Pmax | -0.290%/°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 | 25A |
| Nominal Operating Cell Temperature | 45±2°C |
| Protection Class | Class II |
| Fire Rating | UL Type 1 or 2, IEC Class C |
📏Dimensions
Width1134mm
Height2094mm
Depth35mm
Weight26.6kg
✅Certifications
IEC 61215IEC 61730UL 61730ISO9001:2015ISO14001:2015ISO45001:2018IEC62941