JA Solar 640 Wholesale Solar Panels
✅ High power output
✅ N-type technology with low LID degradation
✅ Low temperature coefficient
✅ Stable performance in low-light conditions
✅ Product warranty — 12 years
✅ Power degradation warranty — 30 years





JA Solar 640 W JAM66D45 LB — High-Power Solar Module for Various Types of Solar Power Plants
The 640 W JA Solar JAM66D45 LB module can be used for:
-
Residential solar power plants – generating electricity for private households and reducing grid electricity consumption.
-
Commercial and industrial solar power plants – developing high-capacity solar installations for businesses and other facilities.
-
Self-consumption solar power plants – covering part of a company’s electricity demand through its own power generation.
-
Hybrid energy systems – operating as part of systems with energy storage for more flexible use of generated electricity.
|
Rated Power Pm (Wp) |
640 |
|
Module Efficiency (%) |
23,7 |
|
Maximum Power Voltage Vmp (V) |
41,20 |
|
Maximum Power Current Imp (A) |
15,54 |
|
Open-Circuit Voltage Voc (V) |
49,39 |
|
Short-Circuit Current Isc (A) |
16,24 |
|
Technical Parameters |
|
|
Solar Cells |
Monocrystalline (N-Type / Bifacial) |
|
Number of Cells |
132 pcs. |
|
Module Dimensions |
2382×1134×30 mm
|
|
Weight |
33,1 kg |
|
Warranty |
|
|
Manufacturer's |
12 years |
|
Power Output Warranty (up to 87.4%) |
30 years |
|
Technical Datasheet |
JA Solar 640 W JAM66D45 LB Solar Panel
The JA Solar JAM66D45 LB 640 W solar panel is a high-power monocrystalline module featuring N-Type technology and bifacial generation. The panel is suitable for commercial, industrial, and other solar power plants where high module power and efficient use of available space are important.
Key Advantages of the Model:
✅ High Power – 640 W: Enables significant energy generation from each installed module and helps optimize the available area of a solar power plant.
✅ High Efficiency – 23.7%: Ensures efficient conversion of solar radiation into electricity.
✅ Bifacial Technology: The module can utilize solar radiation from both sides, potentially increasing total energy generation depending on installation conditions and light reflection.
✅ N-Type Technology: An advanced solar cell technology designed to provide stable module performance and long-term retention of its characteristics.
✅ 132 Solar Cells: The module design is optimized to achieve high output power while maintaining a compact configuration.
✅ Manufacturer's Warranty: 12-year product warranty and a power output warranty of up to 87.4% for 30 years.
Why Choose JA Solar JAM66D45 LB 640 W Solar Modules?
-
High Power – 640 W — enables higher energy generation from each module and more efficient use of the available solar power plant area.
-
N-Type and Bifacial Technology — provides bifacial energy generation and stable solar module performance.
-
Efficiency of up to 23.7% — contributes to high module performance under available solar irradiation.
-
An Optimal Choice for Commercial and Industrial Solar Power Plants — suitable for large-scale solar installations and business facilities.
-
Long Service Life — 12-year product warranty and a power output warranty of up to 87.4% for 30 years.
Buy JA 640 W double-sided solar panels in bulk at Ecotechnik Ukraine at the best price! We offer fast delivery in Ukraine and favorable conditions for businesses, installers and dealers.
📞Contact us for a consultation and a favorable offer for wholesale JA Solar panels!
Пікова потужність сонячних модулів: 97 кВт.
Річний обсяг виробництва електроенергії: 118 120 кВт/год
Потужність сонячних модулів: 455 Вт.
Кількість модулів: 215 шт.
Інвертор сонячний: Solis-30k-5G
Кількість інверторів: 3 шт.
Інверторна потужність: 900 кВт.
Пікова потужність сонячних модулів: 1012 кВт.
Потужність сонячних модулів: 580 Вт.
Кількість модулів: 1745 шт.
Інвертор сонячний: HUAWEI SUN2000-100KTL-M3
Кількість інверторів: 9 шт.
