240 Watt Rigid Marine Solar Panel - Sunpower A+ Grade 24.4% Efficient Cells
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240 Watt Rigid Marine Solar Panel - Sunpower A+ Grade 24.4% Efficient Cells

Get unmatched solar performance and durability with our 240 Watt Rigid Marine Solar Panel, designed with premium SunPower A+ Grade 24.4% efficient monocrystalline cells, the highest-performing solar cells available today. This marine grade solar panel will perform extremely well in both full and partial sun. The goal is maximum watt hours per day, which requires the best performing solar cells available on the market. It is built to withstand the harsh marine environment. This upgraded model delivers more power per square foot, increasing from 225W to 240W for improved energy capture and output.
Engineered specifically for marine environments, this panel is built to withstand saltwater exposure, UV rays, and vibration. Ideal for boats, yachts, catamarans, RVs, and off-grid systems, this 240W solar panel is perfect for powering navigation equipment, lighting, refrigeration, and onboard systems. Whether mounted on a pole, arch, or davit, it provides consistent energy generation for extended trips and off-grid adventures.
✅ Ships Next Day UPS Ground from Denver or Michigan.
Installation Project: Two 225 Watt SunPower Cell RIGID Marine Solar Panels on a Helmsman 38 Trawler (now upgraded to 240 Watt) |
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Key Features
⚡ Upgraded 240W output with advanced SunPower A+ Grade 24.4% efficient solar cells.
⚡ Delivers maximum watt hours per day in full or partial sunlight.
⚡ Built for harsh marine conditions – salt, moisture, and UV resistant.
⚡ Ideal for boats, yachts, RVs, and off-grid solar systems.
⚡ Compatible with top-of-pole, arch, or davit mounting systems.
⚡ 5-year warranty – reliable and worry-free investment.
Specifications
| 240 Watt Rigid Marine Solar Panel | |
|---|---|
| 🔧 Model | CMP22225S-240 |
| ⚡ Rated Power |
240 Watts |
| 🔋 Peak Power Voltage (Vmpp) | 40.4 Volts |
| 🔋 Peak Power Amps (Impp) | 6.0 Amps |
| ⚡ Open Circuit Voltage (Voc) | 47.8 Volts |
| ⚡ Short Circuit Current (Isc) | 6.3 Amps |
| 🌞 Cell Conversion Efficiency | 24.4% |
| 📏 Dimensions | 31.1" x 56.3", 790mm x 1430mm |
| ⚖️ Weight |
28.2 lbs, 12.8 kgs |
| 🔲 Background Color | White |
| 🧩 Cell Layout | 6 x 11 |
| 🛡️ Warranty | 5 years |
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