JA Solar
625W JA Solar Double Glass Bifacial Panel JAM66D45 LB
625W JA Solar Double Glass Bifacial Panel JAM66D45 LB
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The JA Solar 625W Double Glass Bifacial Solar Panel (JAM66D45-625/LB) is a high-performance N-Type bifacial photovoltaic module engineered for commercial, industrial, agricultural, and large-scale solar installations. Featuring advanced 16BB MBB Half-Cell technology and JA Solar's renowned Deep Blue 4.0 Pro platform, this module delivers exceptional energy yield, enhanced durability, and superior long-term reliability.
Designed with a double-glass bifacial construction, the panel captures sunlight from both the front and rear surfaces, increasing energy production through reflected light and improving overall system performance. The advanced N-Type cell technology minimizes Light Induced Degradation (LID) while providing excellent low-light performance and a lower temperature coefficient, making it ideal for demanding environmental conditions.
With a maximum output of 625 Watts, a module efficiency of 23.1%, and support for systems up to 1500V DC, the JAM66D45-625/LB is optimized to reduce balance-of-system costs and deliver a lower Levelized Cost of Energy (LCOE). Its robust double-glass design enhances resistance to moisture, environmental stress, and long-term degradation, making it an excellent choice for utility-scale and commercial solar projects.
Key Features
- 625W maximum power output
- JA Solar Deep Blue 4.0 Pro technology
- N-Type bifacial solar cells for increased energy generation
- Double-glass construction for superior durability
- Up to 23.1% module efficiency
- Advanced 16BB MBB Half-Cell design
- Excellent low-light and high-temperature performance
- Reduced Light Induced Degradation (LID)
- 1500V DC system compatibility
- IP68-rated junction box
- Suitable for commercial, industrial and utility-scale installations
Technical Specifications
- Model: JAM66D45-625/LB
- Rated Power (Pmax): 625W
- Module Efficiency: 23.1%
- Open Circuit Voltage (Voc): 48.70V
- Maximum Power Voltage (Vmp): 40.45V
- Short Circuit Current (Isc): 16.15A
- Maximum Power Current (Imp): 15.45A
- Cell Type: N-Type Monocrystalline
- Number of Cells: 132 (6 × 22)
- Dimensions: 2382 × 1134 × 30 mm
- Weight: 33.1 kg
- Glass Thickness: 2.0 mm Front / 2.0 mm Rear
- Maximum System Voltage: 1500V DC
- Operating Temperature: -40°C to +70°C
- Junction Box: IP68 Rated
Warranty
- 12-Year Product Warranty
- 30-Year Linear Power Output Warranty
- 1% first-year degradation
- Only 0.4% annual degradation thereafter
- 87.4% power output retained after 30 years
Ideal Applications
The JA Solar 625W Double Glass Bifacial Panel is ideal for:
- Commercial solar installations
- Industrial facilities
- Agricultural solar projects
- Ground-mounted solar farms
- Utility-scale renewable energy projects
- High-performance grid-tied systems
The JA Solar JAM66D45-625/LB combines industry-leading efficiency, bifacial power generation, and long-term reliability, making it one of the most advanced 625W solar panels available for professional solar energy installations.
Specifications Document

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