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Lesso New Energy 660D(HPM) 645–665W P-type Monofacial Solar Panel
Model 660D(HPM) | P-type Monocrystalline Half-Cell | 132 Half-Cell | Monofacial | 1500V System Voltage
Product Overview
The Lesso New Energy 660D(HPM) is a high-output P-type monofacial solar panel built for reliable commercial and utility-scale performance. It uses 210mm mono-crystalline half-cut cells and a 132-cell layout for strong power delivery. The module range reaches 645W to 665W, with a peak efficiency of 21.41%. Its design supports stable operation, durable outdoor use, and consistent energy yield. This module is suited to projects that need dependable generation, controlled degradation, and efficient system-level economics. The robust construction also helps reduce losses in challenging conditions.
Key Benefits
High power output: The module delivers up to 665W for stronger site-level energy production.
Excellent efficiency: Maximum module efficiency reaches 21.41% for better space utilization.
Half-cut MBB design: Multi-busbar half-cut technology improves shade tolerance and lowers hot-spot risk.
Lower system losses: Series and parallel design reduces series resistance and supports lower BOS cost.
Weather resistance: Harsh environmental testing improves confidence in sand, dust, salt mist, and ammonia exposure.
Stable long-term output: Low first-year degradation and strong annual retention support predictable performance.
How It Works
This solar panel converts sunlight into usable electrical power through high-efficiency P-type mono-crystalline cells. Its half-cut structure divides current paths, which helps reduce resistance and improve output. Multi-busbar contact points spread current more evenly across the cell surface. That design supports better shade performance and reduces the impact of localized heating. The module is also engineered for outdoor durability, so it can maintain output across changing weather conditions. Its electrical characteristics are tuned to support strong performance at both standard test conditions and real operating temperatures.
Half-cut cell current flow: The cells are split to reduce current in each path. This lowers resistive loss and improves overall power delivery.
Multi-busbar collection: Multiple busbars collect energy more evenly across the cell. This helps stabilize output and strengthens shade tolerance.
Outdoor resilience: The module is tested against sand, dust, salt mist, and ammonia. These checks support reliable field use in demanding environments.
Technical Specifications
| Product Model | Lesso New Energy 660D(HPM) |
| Power Range | 645W ~ 665W |
| Cell Technology | 210mm Mono-crystalline P-type Half-Cell |
| Solar Cell Arrangement | 132 pcs (6 x 22) |
| Module Efficiency | Up to 21.41% |
| Power Output Tolerance | 0W ~ +5W |
| Module Dimensions | 2384 × 1303 × 35 mm |
| Weight | 33.8 kg |
| Front Glass | 3.2mm highly transparent tempered glass with anti-reflective coating |
| Back Sheet | White |
| Frame | Anodized Aluminum Alloy |
| Junction Box | IP68 rated |
| Cable | 4mm², portrait 4200mm (+/-), landscape 1400mm (+/-), customizable length |
| Diodes | 3 pcs |
| Maximum Front / Rear Load | 5400 Pa / 2400 Pa |
| Connector | MC4 compatible |
| Per Pallet | 31 pcs |
| Per Container (40'HQ) | 558 pcs |
| STC Pmax | 645W / 650W / 655W / 660W / 665W |
| STC Vmp | 37.30V / 37.50V / 37.70V / 37.90V / 38.10V |
| STC Imp | 17.30A / 17.34A / 17.38A / 17.42A / 17.46A |
| STC Voc | 45.00V / 45.20V / 45.40V / 45.60V / 45.80V |
| STC Isc | 18.38A / 18.42A / 18.46A / 18.50A / 18.54A |
| NMOT Pmax | 488W / 492W / 496W / 500W / 504W |
| NMOT Vmp | 34.74V / 34.92V / 35.04V / 35.28V / 35.48V |
| NMOT Imp | 14.05A / 14.09A / 14.13A / 14.18A / 14.21A |
| NMOT Voc | 42.50V / 42.70V / 42.90V / 43.10V / 43.20V |
| NMOT Isc | 14.82A / 14.86A / 14.90A / 14.94A / 14.98A |
| Nominal Module Operating Temperature | 44±2°C |
| Temperature Coefficient of Isc | +0.048% |
| Temperature Coefficient of Voc | -0.26% |
| Temperature Coefficient of Pmax | -0.34% |
| Operating Temperature | -40~+85°C |
Certifications & Compliance
Certifications: LESSO quality-controlled manufacturing standards and tested outdoor performance
Inverter Compatibility: Compatible with standard grid-tied and utility-scale PV system designs
Environmental: Tested for sand, dust, salt mist, and ammonia resistance
Warranty: 12 years workmanship warranty and 25 years linear power output warranty; 2% first-year degradation and 0.55% annual degradation
Documentation
Product Datasheet (PDF)● Available | Contact us for lead time and pricing
| SKU | PES-SPS-SOL-11643 |
|---|---|
| Manufacturer | PES Supply |
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