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Flagsun FSM636-180W 180W Monocrystalline Standard Solar Panel
Model FSM636-180W | Monocrystalline | 36 Full-Cell Silicon | Monofacial | 1000V System Voltage
Product Overview
The Flagsun Green Power FSM636-180W monocrystalline solar panel delivers reliable 180 Wp output in a compact format, ideal for off grid and small rooftop systems. As a high efficiency 12 V class module, it converts sunlight into clean power with up to 17.9% panel efficiency under standard conditions. This Flagsun FSM636-180W solar panel is designed for users who need dependable performance, simple integration, and long term durability. The module operates safely in challenging environments, with an operating temperature range from -40°C to 85°C. Tempered glass and an anodized aluminium frame protect the monocrystalline cells from impact, moisture, and temperature cycles. The panel supports precise power planning thanks to its 0 to +3% positive power tolerance. Voltage at maximum power is 18.1 V, paired with a strong current of 9.95 A at peak output. Short circuit current reaches 10.53 A, with an open circuit voltage of 22.8 V, making this model suitable for battery charging, PWM and MPPT regulators, and many low voltage applications. With a power range extension from 180 Wp up to 200 Wp within the same series, system designers can scale capacity easily while maintaining a consistent mechanical footprint and look.
Key Benefits
High conversion efficiency: The panel offers up to 17.9% efficiency, allowing more power from limited roof or ground space. This improves overall system yield for residential cabins, mobile setups, and small commercial loads.
Reliable 180 Wp power output: With 180 Wp rated power and a 0 to +3% tolerance, the module consistently delivers or exceeds its nameplate output. This helps installers design arrays with confidence and predictable performance.
Robust thermal performance: The operating temperature range of -40°C to 85°C supports use in hot summers and cold winters. Optimised temperature coefficients limit output losses as cell temperature rises in strong sunshine.
Durable construction materials: A 3.2 mm tempered glass front protects against hail, debris, and handling damage during installation. The anodized aluminium frame adds rigidity and corrosion resistance for long outdoor lifetimes.
Flexible system integration: Electrical parameters suit many 12 V battery banks, charge controllers, and inverters common in off grid systems. The power range from 180 to 200 Wp gives planners options for tailoring system size and cost.
How It Works
The Flagsun Green Power FSM636-180W solar panel converts sunlight into direct current electricity through high grade monocrystalline cells. When light hits the silicon cells, electrons are released and driven by the internal electric field, creating current flow. The module delivers its maximum power at 18.1 V and 9.95 A, where voltage and current are balanced for optimal energy output. At open circuit, the panel reaches 22.8 V with no load connected. Under short circuit conditions, current rises to 10.53 A while voltage drops to near zero. In real applications, a charge controller or inverter keeps operation close to the maximum power point. Temperature affects cell behaviour, so advanced temperature coefficients help forecast performance in hot or cold conditions. Protective tempered glass and the aluminium frame shield the cells while still allowing high light transmission. The result is a compact module that quietly produces clean power wherever it is mounted, whether on rooftops, boats, caravans, or remote sites without grid access.
Monocrystalline energy conversion: Each monocrystalline cell is cut from a single silicon ingot, providing a uniform structure that supports higher efficiencies. Photons from sunlight strike the cell and dislodge electrons, which then flow through the external circuit as usable electrical energy.
Maximum power point operation: The panel performs best near its rated 18.1 V and 9.95 A operating point, where power output peaks at 180 Wp. Charge controllers or inverters with MPPT algorithms track this point during the day, optimising energy harvest despite changing sunlight and temperature levels.
Thermal and environmental management: Cell temperature rises above ambient during strong irradiation, which can reduce power output if unmanaged. The panel’s temperature coefficients for Pmax, Voc, and Isc quantify these changes, enabling accurate system sizing and performance modelling over seasonal conditions.
Technical Specifications
| Brand | Flagsun Green Power Co., Ltd. |
| Country of Origin | China |
| Model Number | FSM636-180W |
| Technology Type | Monocrystalline silicon, standard monofacial design |
| Nominal Power Range | 180 Wp to 200 Wp series range |
| Maximum Power (Pmax) | 180 Wp |
| Power Tolerance | 0 to +3% |
| Panel Efficiency | 17.9% typical, up to 19.9% in series range |
| Voltage at Maximum Power (Vmpp) | 18.1 V |
| Current at Maximum Power (Impp) | 9.95 A |
| Open Circuit Voltage (Voc) | 22.8 V |
| Short Circuit Current (Isc) | 10.53 A |
| Nominal Operating Temperature | 45 ± 2°C |
| Operating Temperature Range | -40°C to 85°C |
| Temperature Coefficient of Pmax | -0.43% / °C |
| Temperature Coefficient of Voc | -0.34% / °C |
| Temperature Coefficient of Isc | +0.049% / °C |
| Glass Type | High transparency tempered glass |
| Glass Thickness | 3.2 mm |
| Frame Type | Anodized aluminium frame |
Certifications & Compliance
Certifications: Standard industry safety and performance certifications typically applied to monocrystalline modules from established Chinese manufacturers. Please confirm exact certificates with Flagsun Green Power before procurement.
Inverter Compatibility: Compatible with most 12 V and 24 V off grid or hybrid inverters and regulators when configured correctly in series or parallel strings.
Environmental: Designed for outdoor installation with resistance to UV exposure, humidity, and broad ambient temperatures from -40°C to 85°C.
Warranty: Standard manufacturer structural and performance warranty is generally provided. Exact terms, including duration and guaranteed output levels, should be obtained from the current Flagsun Green Power warranty documentation.
● Available | Contact us for lead time and pricing
| SKU | PES-SPS-SOL-5641 |
|---|---|
| Manufacturer | PES Supply |
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| Pallet price | |
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