The JA Solar JAM72D40-605LB 605W solar module is a high-performance bifacial panel engineered to deliver exceptional energy output and long-term reliability for residential, commercial, and utility-scale solar installations. Powered by advanced MBB N-type solar cell technology and a half-cell configuration, this module provides higher efficiency, reduced light-induced degradation (LID), and improved performance in low-light conditions.
Its durable double-glass construction enhances structural strength and protects the module against environmental stresses such as moisture, dust, and temperature fluctuations. The bifacial design allows the panel to capture sunlight from both the front and rear surfaces, increasing total energy generation.
With industry-leading efficiency and a robust warranty structure, the JA Solar 605W module offers a reliable and sustainable solution for modern solar power systems requiring high output and long-term performance.
Key Features
- High Power Output – 605W: Delivers exceptional energy generation for residential, commercial, and industrial installations.
- N-Type Cell Technology: Enhances efficiency, durability, and resistance to degradation.
- Bifacial Technology: Generates additional energy by capturing sunlight on both the front and rear sides.
- Double Glass Construction: Improves durability and resistance to environmental stress.
- Improved Low-Light Performance: Better energy yield in cloudy or weak sunlight conditions.
- Excellent Temperature Coefficient: Reduces performance losses in high-temperature environments.
- Long-Term Reliability: Supported by industry-leading warranties.
Certifications
- IEC61215
- IEC61730
- ISO9001:2015 – Quality Management System
- ISO14001:2015 – Environmental Management System
- ISO45001:2018 – Occupational Health and Safety Management Systems
- IEC 62941:2019 – Quality System for PV Module Manufacturing
Warranty
| Warranty Type | Details |
|---|---|
| Product Warranty | 12 Years |
| Linear Power Warranty | 30 Years |
| First Year Degradation | 1% |
| Annual Degradation | 0.4% over 30 years |
Technical Specifications
General Specifications
| Specification | Details |
|---|---|
| Model | JAM72D40-605LB |
| Cell Type | Mono 16BB |
| Number of Cells | 144 (6 × 24) |
| Weight | 32.5 kg |
| Dimensions | 2333 × 1134 × 30 mm |
| Front / Back Glass | 2.0 mm / 2.0 mm |
| Junction Box | IP68, 3 Diodes |
| Cable Cross Section | 4 mm² (IEC), 12 AWG (UL) |
| Connector | QC 4010-351 / MC4-EVO2A |
| Cable Length | Portrait: 300mm (+) / 400mm (-), Landscape: 1300mm (+) / 1300mm (-) |
Electrical Parameters (STC)
| Specification | Value |
|---|---|
| Rated Maximum Power (Pmax) | 605 W |
| Open Circuit Voltage (Voc) | 52.80 V |
| Maximum Power Voltage (Vmp) | 44.11 V |
| Short Circuit Current (Isc) | 14.57 A |
| Maximum Power Current (Imp) | 13.83 A |
| Module Efficiency | 23.1% |
| Power Tolerance | 0 ~ +3% |
STC: Irradiance 1000 W/m², Cell Temperature 25°C, AM 1.5G.
Electrical Characteristics (10% Bifacial Gain)
| Specification | Value |
|---|---|
| Rated Maximum Power (Pmax) | 653 W |
| Open Circuit Voltage (Voc) | 52.60 V |
| Maximum Power Voltage (Vmp) | 43.94 V |
| Short Circuit Current (Isc) | 15.69 A |
| Maximum Power Current (Imp) | 14.87 A |
Temperature Coefficients
| Parameter | Value |
|---|---|
| Temperature Coefficient of Isc | +0.045 % / °C |
| Temperature Coefficient of Voc | -0.220 % / °C |
| Temperature Coefficient of Pmax | -0.290 % / °C |
Operating Conditions
| Specification | Value |
|---|---|
| Maximum System Voltage | 1500 V DC |
| Operating Temperature | -40°C to +85°C |
| Maximum Series Fuse Rating | 30 A |
| Maximum Static Load (Front) | 5400 Pa |
| Maximum Static Load (Back) | 2400 Pa |
| Nominal Operating Cell Temperature (NOCT) | 45 ± 2°C |
| Bifaciality | 80% ± 5% |
| Fire Performance | UL Type 29 |
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Note: Panel dimensions and specifications are subject to change. Please confirm specifications at the time of purchase.
Important:
All solar products, power systems, water heating and gas products and their components must be installed by appropriately qualified personnel. All installations must adhere to local wiring regulations and standards. Sustainable Online will not be held liable for any product malfunctions as a result of incorrectly installed systems.

