JA SOLAR JAM72S20 photovoltaic panel
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Description of JA SOLAR JAM72S20 photovoltaic panel
Solar panel from JA Solar, model JAM72S20, is a high-performance photovoltaic panel designed for efficient solar energy generation. The module type is monocrystalline. Manufacturer JA Solar is a leading global manufacturer of photovoltaic panels.
Monocrystalline panels, such as the JAM72S20 model from JA Solar, are more efficient than other types of panels. This means they can convert more solar energy into electricity. For the JAM72S20, efficiency reaches up to 20.2%. These panels have better performance in low-light conditions, ensuring consistent energy production even on cloudy days or in adverse weather conditions.
Monocrystalline panels have a black appearance that is aesthetically appealing and suitable for installation on the roofs of homes or commercial buildings. Thanks to their homogeneous structure, these panels are more resistant to microcracks and other mechanical damage. The JAM72S20 model is highly resistant to mechanical loads, which extends its service life.
Monocrystalline panels have a better temperature coefficient, which means their output decreases more slowly as the temperature rises compared with other types of panels. The JAM72S20 model has a temperature coefficient of -0.35%/°C, which minimizes power losses in warmer conditions.
With advanced PERC technology (Passivated Emitter and Rear Cell), the JAM72S20 delivers excellent performance, increasing overall energy yield.
PERC technology involves adding a passivation layer to the back of the solar cell. This process improves light absorption and reduces electron recombination, increasing the efficiency of solar cells.
The passivation layer is added to the back of the cell, where a thin layer of aluminium oxide or silicon is applied to act as the passivation layer. This layer reduces losses caused by the recombination of charge carriers (electrons and holes). The passivation layer reflects unabsorbed light back into the solar cell, increasing the likelihood that photons will be absorbed and converted into electricity.
PERC technology enables the JAM72S20 model to achieve a power output of up to 400 W, significantly higher than with traditional technologies.
The panel is divided into two independent halves, which thanks to Half Cell technology provide a smaller drop in output when shaded, meaning the output drops to 50% rather than 0%. The individual cells are made up of 9BB busbars, which reduce the panel's internal resistance and help maintain stable output. It also includes bypass diodes to minimize power loss caused by shading, ensuring efficiency in a range of installation scenarios.
Certifications: IEC 61215, IEC 61730, UL 1703, CE
| Technical specifications: | |
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| Length: | 2112 mm |
| Width: |
1052 mm |
| Height: |
35 mm |
| Weight: | 25 kg |
| Power: | 460 W |
| Number of cells: | 144 pcs |
| Connection cable: | 4 mm² |
| Efficiency (STC): |
20.2% |
| Current at maximum power (IMP): |
10.92 A |
| Voltage at maximum power (VMP): |
42.13 V |
| Short-circuit current (ISC): |
11.45 A |
Solar panel details:
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