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Model 205 | Monocrystalline Silicon | 40 Full Cells 158.75×158.75 mm | Monofacial | 1500V System Voltage
The Pattern New Energy 205 monocrystalline solar panel is designed for reliable power generation in compact spaces. With a rated output of 205 Wp and panel efficiency up to 18.16 percent, this module supports small residential, commercial, and off‑grid systems. Its 40 high quality monocrystalline cells convert sunlight into stable DC power, even under everyday operating temperatures around 45 degrees. A tempered glass front and anodized aluminium frame provide robust mechanical strength for long term rooftop or ground installations. The panel offers a generous power tolerance from 0 to plus 1.5 percent, so actual output can exceed the nameplate rating in real conditions. Thanks to a maximum system voltage of 1500 volts and an IP67 junction box, it integrates smoothly into modern string arrays. Manufactured by Guangdong Pattern New Energy Co., Ltd. in China, this module delivers dependable performance for a wide range of energy projects.
Compact high power design: The 205 Wp rating in a 1660 by 680 millimeter frame offers strong output where space is limited, ideal for small roofs, cabins, and mobile power projects.
Reliable monocrystalline efficiency: Monocrystalline cells deliver up to 18.16 percent efficiency, helping systems produce more energy per square meter and improve overall array performance.
Stable performance in real conditions: Optimized temperature coefficients limit power loss as cell temperature rises, supporting dependable production in hot climates and strong sun.
Durable construction for long service life: A 3.2 millimeter tempered glass front, anodized aluminium frame, and IP67 junction box help protect against moisture, dust, and mechanical stress over many years.
Easy integration into modern arrays: With MC4 connectors, 900 millimeter cables, and a 1500 volt maximum system voltage, the module connects easily to contemporary inverters and balance‑of‑system components.
This solar panel converts sunlight into usable electrical power through its monocrystalline silicon cells. Each of the forty cells absorbs photons from the sun and releases electrons, creating direct current flow. Under standard test conditions, the module delivers a maximum power of 205 watts at 22.24 volts and 9.23 amps. The panel also supports a secondary operating point, producing 152.99 watts at 20.8 volts and 7.45 amps. These operating points allow system designers to match string length and inverter input for efficient energy harvest. Protective encapsulation, tempered glass, and an anodized aluminium frame maintain structural integrity in outdoor environments. An IP67 junction box and MC4 connectors safely route the generated DC power to downstream equipment such as charge controllers or grid inverters. When installed within a 1500 volt DC array, multiple modules can be connected in series and parallel to reach the desired system size.
Monocrystalline cell energy conversion: Sunlight strikes the monocrystalline silicon cells and excites electrons inside the semiconductor material. This process creates direct current, which flows through the conductors and busbars to the panel’s output leads.
Optimized operating voltage and current: At the maximum power point, the module balances voltage and current for the highest wattage. The 22.24 volt and 9.23 amp operating point is ideal for string systems, while the alternate 20.8 volt and 7.45 amp rating supports flexible array design.
Safe power delivery through junction box and connectors: The rear junction box houses protected electrical connections and is sealed to IP67 rating. Pre‑assembled MC4 compatible connectors and 900 millimeter cables enable quick, secure linking of multiple panels without specialized tools.
| Brand | Guangdong Pattern New Energy Co., Ltd. |
| Model Number | 205 |
| Cell Technology | Monocrystalline silicon |
| Cell Size | 158.75 × 158.75 mm |
| Number of Cells | 40 cells |
| Power Range | 205 – 225 Wp |
| Nominal Maximum Power (Pmax) | 205 Wp |
| Power Tolerance | 0 ~ +1.5 % |
| Panel Efficiency Range | 18.16 – 19.93 % |
| Module Efficiency (205 Wp) | 18.16 % |
| Voltage at Maximum Power (Vmpp) – 205 Wp point | 22.24 V |
| Current at Maximum Power (Impp) – 205 Wp point | 9.23 A |
| Open Circuit Voltage (Voc) – 205 Wp point | 26.56 V |
| Short Circuit Current (Isc) – 205 Wp point | 9.78 A |
| Secondary Maximum Power (Pmax) | 152.99 Wp |
| Voltage at Maximum Power (Vmpp) – 152.99 Wp point | 20.8 V |
| Current at Maximum Power (Impp) – 152.99 Wp point | 7.45 A |
| Open Circuit Voltage (Voc) – 152.99 Wp point | 24.75 V |
| Short Circuit Current (Isc) – 152.99 Wp point | 7.83 A |
| Typical Operating Temperature | 45 ± 2 °C |
| Operating Temperature Range | -45 to +85 °C |
| Temperature Coefficient of Pmax | -0.396 % / °C |
| Temperature Coefficient of Voc | -0.31 % / °C |
| Temperature Coefficient of Isc | +0.06 % / °C |
| Maximum System Voltage (DC) | 1500 V |
| Series Fuse Rating | 15 A |
| Panel Dimensions (H × W × D) | 1660 × 680 × 30 mm |
| Panel Weight | 11.7 kg |
| Front Glass Type | Tempered glass |
| Front Glass Thickness | 3.2 mm |
| Frame Material | Anodized aluminium |
| Junction Box Protection Class | IP67 |
| Connector Type | MC4 compatible |
| Cable Length | 900 mm |
| Country of Origin | China |
Certifications: Manufacturer certifications not specified in the available data. Please contact us for the latest conformity details.
Inverter Compatibility: Suitable for most modern string and hybrid inverters within 1500 V DC system limits. Check exact inverter input requirements before final design.
Environmental: Designed for outdoor photovoltaic use with IP67 junction box protection and wide operating temperature range from -45 to +85 °C.
Warranty: Warranty terms are not listed in the provided specifications. Warranty information is available on request from Guangdong Pattern New Energy or your distributor.
● Available | Contact us for lead time and pricing
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