
Solar PanelsModel LR8-66HYD-665W-HYDROCLEAR
LONGi Hi-MO 9 HydroClear LR8-66HYD 665W
Discover the LONGi Hi-MO 9 HydroClear LR8-66HYD 665W solar panel with 665W power output and high efficiency for optimal energy solutions.
- Maximum Power (Pmax): 665W
- Open Circuit Voltage (Voc): 49.80V
Choose the Maximum Power (Pmax)
What sets the LR8-66HYD-665W-HYDROCLEAR apart from the other 7 models in the family: Maximum Power (Pmax) 665W; Open Circuit Voltage (Voc) 49.80V; Short Circuit Current (Isc) 13.62A; Maximum Power Voltage (Vmpp) 41.28V; Maximum Power Current (Impp) 15.94A; Module Efficiency 24.6%.
In stock
- Delivered within 3 business days, door to door, to every market we serve.
- Dispatched the same business day for an order placed before 21:00 (Dubai time), or the next business day after.
- Delivery charge: AED 170
- 12-year warranty
LONGi Hi-MO 9 HydroClear LR8-66HYD 665W features
High-blocking encapsulation structural design
Low maintenance cost
TaiRay wafer&BC technology
High mechanical load strength of
High mechanical load strength of 5400Pa/2400Pa
About the LONGi Hi-MO 9 HydroClear LR8-66HYD 665W
The LONGi Hi-MO 9 HydroClear LR8-66HYD 665W is a Hi-MO 9 solar panel engineered for residential rooftop installations, delivering a maximum power output of 665W at 24.6% module efficiency. Under standard test conditions it produces an open-circuit voltage (Voc) of 49.80V, a short-circuit current (Isc) of 13.62A, a voltage at maximum power (Vmp) of 41.28V and a current at maximum power (Imp) of 15.94A. The panel measures 2382×1134×30mm and weighs 33.5kg, with an Anodized aluminum alloy frame and Dual glass, 2.0+2.0mm heat strengthened 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/UL) 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. With a bifaciality of 75±5%, it also captures additional energy reflected onto its rear side. The Hi-MO 9 HydroClear LR8-66HYD 665W is certified by IEC 61215, IEC 61730, UL 1703, UL 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
LONGi Hi-MO 9 HydroClear LR8-66HYD 665W full specifications
Environmental(14)
| 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 |
Electrical(6)
| Maximum Power (Pmax) | 665W |
|---|---|
| Open Circuit Voltage (Voc) | 49.80V |
| Short Circuit Current (Isc) | 13.62A |
| Maximum Power Voltage (Vmpp) | 41.28V |
| Maximum Power Current (Impp) | 15.94A |
| Module Efficiency | 24.6% |
Mechanical(7)
| 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 |
Certifications(8)
- IEC 61215
- IEC 61730
- UL 1703
- UL 61730
- ISO9001:2015
- ISO14001:2015
- ISO45001:2018
- IEC62941
Downloads & support
Frequently Asked Questions
What is the maximum power output and efficiency of the LONGi Hi-MO 9 HydroClear LR8-66HYD 665W?
The LONGi Hi-MO 9 HydroClear LR8-66HYD 665W has a maximum power output of 665W and a module efficiency of 24.6%.
What are the electrical specifications (Voc, Isc, Vmp, Imp) of the Hi-MO 9 HydroClear LR8-66HYD 665W?
The Hi-MO 9 HydroClear LR8-66HYD 665W has an open-circuit voltage (Voc) of 49.80V, a short-circuit current (Isc) of 13.62A, a voltage at maximum power (Vmp) of 41.28V and a current at maximum power (Imp) of 15.94A.
What are the physical dimensions and weight of the Hi-MO 9 HydroClear LR8-66HYD 665W?
The Hi-MO 9 HydroClear LR8-66HYD 665W measures 2382×1134×30mm and weighs 33.5kg.
What static loading can the Hi-MO 9 HydroClear LR8-66HYD 665W withstand?
The Hi-MO 9 HydroClear LR8-66HYD 665W withstands a front-side maximum static load of 5400Pa and a rear-side maximum static load of 2400Pa.
How does the Hi-MO 9 HydroClear LR8-66HYD 665W perform across temperature changes?
The Hi-MO 9 HydroClear LR8-66HYD 665W has a Pmax temperature coefficient of -0.260%/°C, a Voc coefficient of -0.200%/°C and an Isc coefficient of +0.050%/°C.
What is the maximum system voltage and fuse rating of the Hi-MO 9 HydroClear LR8-66HYD 665W?
The Hi-MO 9 HydroClear LR8-66HYD 665W has a maximum system voltage of DC1500V (IEC/UL) and a maximum series fuse rating of 35A.
What certifications does the Hi-MO 9 HydroClear LR8-66HYD 665W have?
The Hi-MO 9 HydroClear LR8-66HYD 665W is certified by IEC 61215, IEC 61730, UL 1703, UL 61730, ISO9001:2015, ISO14001:2015, ISO45001:2018 and IEC62941, meeting recognised international standards for safety and performance.
What warranty coverage is available for the Hi-MO 9 HydroClear LR8-66HYD 665W?
The Hi-MO 9 HydroClear LR8-66HYD 665W is backed by a 12-year product warranty and a 30-year performance warranty from LONGi Solar.
What frame and glass does the Hi-MO 9 HydroClear LR8-66HYD 665W use?
The Hi-MO 9 HydroClear LR8-66HYD 665W uses an Anodized aluminum alloy frame and Dual glass, 2.0+2.0mm heat strengthened glass.
What is the operating temperature range of the Hi-MO 9 HydroClear LR8-66HYD 665W?
The Hi-MO 9 HydroClear LR8-66HYD 665W operates across -40°C to +85°C, with a nominal operating cell temperature of 45±2°C.
Is the Hi-MO 9 HydroClear LR8-66HYD 665W a bifacial solar panel?
Yes — the Hi-MO 9 HydroClear LR8-66HYD 665W has a bifaciality of 75±5%, allowing it to capture additional energy reflected onto its rear side.

