LONGi 650W Hi-MO X10 Bifacial Glass-Glass Silver Frame Back Contact Solar Panel
The LONGi LR8-66HVD-650M is a high-efficiency 650W bifacial solar panel from the Hi-MO X10 series, designed for commercial and large-scale PV installations.
Featuring advanced HPBC 2.0 back contact cell technology and 24.06% module efficiency, it combines high power output with improved low-light performance.
Its bifacial glass-glass design captures reflected light for additional energy generation, while enhanced shading management and durable construction support long-term reliability.
KEY FEATURES:
- 650W power output with 24.06% module efficiency
- HPBC 2.0 back contact technology with 132 half-cut cells
- Bifacial glass-glass design with 2.0mm dual-glass construction
- Silver anodised aluminium frame
- Maximum system voltage: 1,500V DC
- Improved low-light performance and shading management
- Low temperature coefficient: −0.26%/°C (Pmax)
- Stäubli EVO2A connectors
- IEC 61215 and IEC 61730 certified
- Mechanical load resistance: 5,400Pa front / 2,400Pa rear
- IP68 junction box with 3 bypass diodes
- 30-year performance warranty
| Solar Panel Features | Bifacial , Dual Glass / Double Glass , Back Contact , N-Type |
| Brand | LONGi |
| Panel Power Range | 575W Plus |
| Power Class | 650 |
| Watts/ m² | 241 |
| Frame Colour | Silver |
| Backsheet Colour | Glass |
| Cells | 132 Half Cells (6X22 half cells) |
| Module Efficiency (%) | 24.06 |
| Open Circuit Voltage - Voc (V) | 49.72 |
| Short Circuit Current - Isc (A) | 16.54 |
| Connector Type | MC4-EVO2A |
| Panels per Pallet | 36 |
| Panels per Container | 720 |
| MCS No | BABT17012-1041-650W |
| Length (mm) | 2382 |
| Width (mm) | 1134 |
| Thickness (mm) | 30 |
| Annual Degradation (%) | 0.35 |
| Warranty Period | 25 Years |
| Performance Warranty | 30 Years |
| Product Weight (Kg) | 32.5 |
Longi LR8-66HVD 640-665M Datasheet - 14 02 2026.pdf
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Longi Installation Guide - 21 11 2025.pdf
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Longi Operations Manual - 22 04 2026.pdf
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LONGi MCS Certificate BABT 17012 - 28 01 2026.pdf
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Longi Attestation of Conformity UKCA - 18 11 2025.pdf
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Longi LR8-66HVD Fire Report - 19 11 2025.pdf
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Longi Limited Warranty Terms - 27 04 2026.pdf
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