N-TaiRay + HPBC 2.0 +
N-TaiRay + HPBC 2.0 + 0BB

Solar PanelsModel LR8-66HVD-660W-SCIENTIST
Discover the LONGi Hi-MO X10 Scientist LR8-66HVD 660W solar panel with 660W power output and high efficiency for optimal performance.
What sets the LR8-66HVD-660W-SCIENTIST apart from the other 5 models in the family: Maximum Power (Pmax) 660W; Open Circuit Voltage (Voc) 49.92V; Short Circuit Current (Isc) 16.70A; Voltage at Maximum Power (Vmpp) 41.18V; Current at Maximum Power (Impp) 16.03A; Module Efficiency 24.43%.
In stock
N-TaiRay + HPBC 2.0 + 0BB
Power Leads by 30W+, A+ Anti-Shading
The LONGi Hi-MO X10 Scientist LR8-66HVD 660W is a Hi-MO X10 Scientist solar panel engineered for residential rooftop installations, delivering a maximum power output of 660W at 24.43% module efficiency. Under standard test conditions it produces an open-circuit voltage (Voc) of 49.92V, a short-circuit current (Isc) of 16.70A, a voltage at maximum power (Vmp) of 41.18V and a current at maximum power (Imp) of 16.03A. The panel measures 2382×1134×30mm and weighs 33.5kg, with an Anodized aluminum alloy frame and Dual glass, 2.0+2.0mm semi-tempered glass. It operates across -40°C to +85°C, with a nominal operating cell temperature of 45±2°C, a maximum system voltage of DC1500V (IEC) and a maximum series fuse rating of 35A. It withstands a front-side static load of 5400Pa and a rear-side static load of 2400Pa, with a Pmax temperature coefficient of -0.260%/°C, a Voc coefficient of -0.200%/°C and an Isc coefficient of +0.050%/°C. The Hi-MO X10 Scientist LR8-66HVD 660W is certified by IEC 61215, IEC 61730, ISO9001:2015, ISO14001:2015, ISO45001:2018 and IEC62941 and is backed by a 12-year product warranty and a 30-year performance warranty from LONGi Solar.
Specifications last updated 25 March 2026
| Maximum Power (Pmax) | 660W |
|---|---|
| Open Circuit Voltage (Voc) | 49.92V |
| Short Circuit Current (Isc) | 16.70A |
| Voltage at Maximum Power (Vmpp) | 41.18V |
| Current at Maximum Power (Impp) | 16.03A |
| Module Efficiency | 24.43% |
| 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 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 |
| 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 |
The LONGi Hi-MO X10 Scientist LR8-66HVD 660W has a maximum power output of 660W and a module efficiency of 24.43%.
The Hi-MO X10 Scientist LR8-66HVD 660W has an open-circuit voltage (Voc) of 49.92V, a short-circuit current (Isc) of 16.70A, a voltage at maximum power (Vmp) of 41.18V and a current at maximum power (Imp) of 16.03A.
The Hi-MO X10 Scientist LR8-66HVD 660W measures 2382×1134×30mm and weighs 33.5kg.
The Hi-MO X10 Scientist LR8-66HVD 660W withstands a front-side maximum static load of 5400Pa and a rear-side maximum static load of 2400Pa.
The Hi-MO X10 Scientist LR8-66HVD 660W has a Pmax temperature coefficient of -0.260%/°C, a Voc coefficient of -0.200%/°C and an Isc coefficient of +0.050%/°C.
The Hi-MO X10 Scientist LR8-66HVD 660W has a maximum system voltage of DC1500V (IEC) and a maximum series fuse rating of 35A.
The Hi-MO X10 Scientist LR8-66HVD 660W is certified by IEC 61215, IEC 61730, ISO9001:2015, ISO14001:2015, ISO45001:2018 and IEC62941, meeting recognised international standards for safety and performance.
The Hi-MO X10 Scientist LR8-66HVD 660W is backed by a 12-year product warranty and a 30-year performance warranty from LONGi Solar.
The Hi-MO X10 Scientist LR8-66HVD 660W uses an Anodized aluminum alloy frame and Dual glass, 2.0+2.0mm semi-tempered glass.
The Hi-MO X10 Scientist LR8-66HVD 660W operates across -40°C to +85°C, with a nominal operating cell temperature of 45±2°C.