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JA Solar JAM66D45-615/LB Solar Module 615 Watt Silver/white n-type TOPCon Bifacial Glass-Glass 12 Years Product Warranty
The JA Solar JAM66D45-615/LB is a 615 Wp bifacial glass-glass module built with 132 n-Type TOPCon cells and a high module efficiency of approximately 22.77%. Measuring 2382 × 1134 × 30 mm and weighing 33.1 kg, it offers robust mechanical ratings (snow 5,400 Pa / wind 2,400 Pa), a 12-year product warranty and a 30-year performance guarantee to 87%, making it ideal for commercial and utility-scale projects.
| Quantity | Minimum | Sales unit | Escrow | Reviews | Availability | Price per Wp | Total price |
|---|---|---|---|---|---|---|---|
|
343
pcs.
211 kWp
|
12
pcs.
7 kWp
|
Piece |
155
Ratings
|
In stock,
DE
ID: 201787
|
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|
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Performance data
| Nominal Power | 615 W |
| Cell type | n-type TOPCon |
| Number of cells | 132 |
| Cell Format | n/a |
| Module efficiency |
Very high efficiency
22,77
%
|
| Power tolerance | 0 - 3 % |
| Temp. Coeff. of P(max) | -0,30 %/°C |
| System voltage | 1500 V |
Packing
| Pieces per pallet | 36 |
| Pieces per 40 | 720 |
Measurements
| Length | 2382 mm |
| Width | 1134 mm |
| Frame | 30 mm |
| Weight | 33.1 kg |
Other features
| Frame/Backsheet | silver/white |
| Bifacial | Yes |
| Module construction | Glass/glass |
| Cable length + / - | 1500 mm / 1500 mm |
| Connector Type | Stäubli MC4-EVO2 |
| Snow load | 5.400 Pa |
| Wind load | 2.400 Pa |
Manufacturer warranty
| Product warranty | 12 years |
| Warranty | 30 years on 87% of nominal power |
Certificates
CE
IEC 61215 - Design Qualification and Type Approval
IEC 61730 - Safety Qualification
ISO 14001
ISO 45001
ISO 9001
IEC 61215 - Design Qualification and Type Approval
IEC 61730 - Safety Qualification
ISO 14001
ISO 45001
ISO 9001
English
| Data Sheet |  |
| Guarantee | |
| Manual | |
| Other | |
JA Solar JAM66D45-615/LB – 615 Wp, n-Type TOPCon
The JA Solar JAM66D45-615/LB is a 615 Wp bifacial glass-glass module built with 132 n-Type TOPCon cells, delivering a high module efficiency of ≈22.77%. The module measures 2382 × 1134 × 30 mm and weighs 33.1 kg, offers robust mechanical ratings (snow load 5,400 Pa, wind load 2,400 Pa), and comes with 12 years product warranty plus a 30-year performance guarantee to 87% — making it an excellent choice for large-scale commercial and utility installations.
✅ Benefits for installers
• High rated power — 615 Wp: more kW per module reduces mounting and BOS costs.
• Excellent efficiency (~22.77%): higher energy yield per m², ideal where area is limited.
• n-Type TOPCon cells: low LID and improved weak-light performance for stable long-term output.
• Bifacial glass-glass design: rear-side yield on reflective surfaces plus superior durability.
• Strong mechanical specs: 5,400 Pa snow and 2,400 Pa wind ratings for harsh environments.
• Reliable warranties & certified quality: 12 years product warranty, 30 years performance to 87%, and industry certifications for safe procurement via SolarTraders.
• Excellent efficiency (~22.77%): higher energy yield per m², ideal where area is limited.
• n-Type TOPCon cells: low LID and improved weak-light performance for stable long-term output.
• Bifacial glass-glass design: rear-side yield on reflective surfaces plus superior durability.
• Strong mechanical specs: 5,400 Pa snow and 2,400 Pa wind ratings for harsh environments.
• Reliable warranties & certified quality: 12 years product warranty, 30 years performance to 87%, and industry certifications for safe procurement via SolarTraders.
Technical data — JA Solar JAM66D45-615/LB
• Rated power (Pmax): 615 Wp
• Cell type / count: n-Type TOPCon — 132 cells
• Module design: Bifacial, Glass/Glass (double glass)
• Module efficiency: ≈ 22.77%
• Dimensions: 2382 × 1134 × 30 mm
• Weight: 33.1 kg
• Power tolerance: 0 / +3 %
• Temperature coefficient (Pmax): −0.30 % / °C
• Max. system voltage: 1500 V
• Connector / cable: Stäubli MC4-EVO2; cable length ~1500 mm
• Mechanical loads: Snow 5,400 Pa | Wind 2,400 Pa
• Certifications: CE, IEC 61215, IEC 61730, ISO 9001 / 14001 / 45001
• Warranty: 12 years product warranty | 30 years performance warranty to 87%.
• Cell type / count: n-Type TOPCon — 132 cells
• Module design: Bifacial, Glass/Glass (double glass)
• Module efficiency: ≈ 22.77%
• Dimensions: 2382 × 1134 × 30 mm
• Weight: 33.1 kg
• Power tolerance: 0 / +3 %
• Temperature coefficient (Pmax): −0.30 % / °C
• Max. system voltage: 1500 V
• Connector / cable: Stäubli MC4-EVO2; cable length ~1500 mm
• Mechanical loads: Snow 5,400 Pa | Wind 2,400 Pa
• Certifications: CE, IEC 61215, IEC 61730, ISO 9001 / 14001 / 45001
• Warranty: 12 years product warranty | 30 years performance warranty to 87%.
Secure your project offer
The JAM66D45-615/LB pairs very high output (615 Wp) with n-Type TOPCon efficiency and a durable bifacial glass-glass build — ideal for maximizing yield in commercial and utility projects. Buy securely and transparently via SolarTraders (certified EU distributors, buyer protection, price comparison). Register now and request a customised project quote.
JA Solar
JA Solar Modules – Efficiency and Performance for Professionals
JA Solar is one of the world’s largest manufacturers of photovoltaic modules. Their advanced cell technology ensures high efficiency, stable yields, and long lifespan – suitable for residential rooftops as well as large-scale solar plants. With best value pricing, fast availability, and attractive B2B conditions, JA Solar is the strong choice for professional solar installers.
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