325 Watt Walkable Semi-Rigid Solar Panel - Carbon Fiber Series - Sunpower A+ Grade 24.4% Efficient Cells
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325 Watt Walkable Semi-Rigid Solar Panel - Carbon Fiber Series - Sunpower A+ Grade 24.4% Efficient Cells

Power your adventures with the 325 Watt Walkable Carbon Fiber Semi-Rigid Solar Panel — the ultimate combination of durability, performance, and cutting-edge solar technology.
Built with SunPower A+ Grade Maxeon solar cells rated at 24.4% efficiency, this marine- and RV-grade solar panel delivers superior output and reliability in any environment. A+ grade Sunpower Maxeon cells produce relatively high amounts of power even at low sun angles, thus generating more watt-hours over the course of a day than lower quality panels.
The advanced carbon fiber backing provides exceptional rigidity (slight bending is possible), impact resistance, and heat dissipation, while a thick ETFE top laminate protects against UV damage, saltwater, and heavy foot traffic. Whether installed on a boat deck, van roof, dock, or RV, this walkable semi-rigid panel stands up to the toughest conditions while delivering maximum off-grid power.
Engineered for high-demand marine and mobile energy systems, this is the ideal solution for sailors, overlanders, and liveaboards who need dependable, high-efficiency solar power that lasts.
Drill your own holes if needed in the 4 marked spots. Use the J and H channels or custom 'washers' for mounting.
✅ Six foot long #10 duplex cable from the junction box included.
📦 Ships in 1-2 business days with UPS Ground from Denver.

⚡ Key Features
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High Power Output – Generates 325 watts of clean energy using SunPower A+ Grade Maxeon cells with 24.4% efficiency — the highest commercially available.
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Walkable Carbon Fiber Design – Reinforced carbon fiber backing offers rigidity, impact resistance, and the ability to safely walk on the panel.
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Each cell works when partially shaded unlike most other solar cells where the whole panel will go down if a portion of a cell is shaded.
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Superior Heat Dissipation – Carbon fiber base helps regulate panel temperature for optimal efficiency and longevity.
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ETFE Protective Laminate – Thick, UV-stable ETFE coating resists scratches, corrosion, and degradation from sun and salt exposure.
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Marine & RV Ready – Perfect for boats, vans, RVs, campers, docks, and off-grid installations.
- Warranty & Support – Covered by a 5-year manufacturer warranty from Custom Marine Products.
📏 Specifications
| 325 Watt Walkable Semi Rigid Solar Panel - Carbon Fiber Series | |
|---|---|
| 🔧 Model | CMP24325SRXC |
| ⚡ Rated Power |
325 Watts |
| 🔋 Peak Power Voltage (Vmpp) | 58.1 Volts |
| 🔋 Peak Power Amps (Impp) | 5.6 Amps |
| ⚡ Open Circuit Voltage (Voc) | 70.9 Volts |
| ⚡ Short Circuit Current (Isc) | 6.0 Amps |
| 🌞 Cell Conversion Efficiency | 24.4% |
| 📏 Dimensions | 40.7" x 59.1", 1035 x 1500 x 4 mm |
| ⚖️ Weight |
19.8 lbs, 9 kgs |
| 🧱 Substrate | Carbon Fiber |
| 🔲 Background Color | White |
| 🧩 Cell Layout | 6x17 (17 are half cells) |
| 🛡️ Warranty | 5 years |
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Shipping
Products ship the day after payment (domestic).
- Free shipping on orders over $1,500 (Lower 48 US states).
- $65 flat-rate shipping for orders between $500–$1,499 (Lower 48).
- International shipping takes longer. No tariff charges added — call for pricing.
Custom Designs & Custom Made Panels Available on Request
Our engineers will work with you to design a solar system specific to your needs including Lithium Batteries if you like. (Batteries are 10% off w/ solar system purchase).
If you'd like a custom solar panel, we can do it at $10/watt, more info here: Custom Solar Panels
Call Us: 248-712-1526
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