Custom Marine | 325 Watt Walkable Semi-Rigid Solar Panel - Carbon Fiber Series - Sunpower A+ Grade 24.4% Efficient Cells
325 Watt Walkable Semi-Rigid Solar Panel – Carbon Fiber Series (SunPower® A+ Grade 24.4% Efficient Cells)
The 325 Watt Walkable Semi-Rigid Solar Panel – Carbon Fiber Series delivers maximum solar performance in a lightweight, durable, and marine-grade design. Built with SunPower® A+ Grade monocrystalline cells offering up to 24.4% efficiency, this high-output panel is engineered for boats, RVs, and off-grid systems requiring superior power in limited space. Its carbon fiber base and non-slip ETFE surface make it strong, walkable, and resistant to harsh marine environments.
KEY FEATURES
- High Power Output – Generates 325 watts of clean energy using SunPower A+ Grade Maxeon cells with 24.4% efficiency — the highest commercially available.
- Walkable Carbon Fiber Design – Reinforced carbon fiber backing offers rigidity, impact resistance, and the ability to safely walk on the panel.
- 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.
- Superior Heat Dissipation – Carbon fiber base helps regulate panel temperature for optimal efficiency and longevity.
- ETFE Protective Laminate – Thick, UV-stable ETFE coating resists scratches, corrosion, and degradation from sun and salt exposure.
- Marine & Van Ready – Perfect for boats, vans, campers, docks, and off-grid installations.
- Warranty & Support – Covered by a 5-year warranty from Custom Marine Products.

Specifications
| 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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Yes! By default, all products on Solar Guys Pro are 100% brand-new and in perfect condition.
If an item is used or refurbished, it will clearly indicate so in the title of the product as well as the discription.
For example, a used Battery will say:
XYZ Battery | 48V 100AH (REFURBISHED)
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Frequently Asked Questions
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