Description
120 Watt Semi-Rigid Solar Panel (SunPower A+ Grade 24.4% Efficient Cells)
The 120W Semi-Rigid Solar Panel combines high efficiency, durability, and flexibility for marine, RV, and off-grid use. Featuring A+ Grade monocrystalline cells with up to 24.4% efficiency, it delivers reliable power even in low-light or partially shaded conditions. Its semi-rigid ETFE surface provides strength, corrosion resistance, and easy mounting on curved or uneven surfaces.
KEY FEATURES
- High Efficiency Performance – Built with premium SunPower A+ Grade cells delivering up to 24.4% efficiency for maximum power output.
- Walkable & Durable – Semi-rigid design allows safe walking on the panel (see the module loading considerations below).
- Shade Tolerant – Maintains reliable power generation even in partial shading from sails, rigging, or marine gear.
- Heat Dissipation Advantage – Runs cooler than standard panels, ensuring better performance in hot climates.
- Marine-Ready Construction – Built to withstand the harsh saltwater environment with corrosion-resistant materials.
- Lightweight & Compact – Thinner 4mm fiberglass backing for easy installation on rigid boat decks or vans rooftops.
- Versatile Mounting Options – Ideal for marine, van, camper, and off-grid installations where flexibility and strength are required. Includes Poly and J brackets for secure setup.
- Quiet, Clean Energy – No moving parts, zero emissions — just efficient off-grid power.
- 5-Year Warranty – Backed by Custom Marine Products’ quality guarantee.


Specifications
| Model | CMP24120SRX-P |
| Rated Power | 120 Watts |
| Peak Power Voltage (Vmpp) | 20.5 Volts |
| Peak Power Amps (Impp) | 5.9 Amps |
| Open Circuit Voltage (Voc) | 25.1 Volts |
| Short Circuit Current (Isc) | 6.3 Amps |
| Cell Conversion Efficiency | 25.4% |
| Dimensions | 20.8″ x 42.1″, 530 x 1070 x 4 mm |
| Weight | 8.6 lbs, 3.9 kgs |
| Background Color | White |
| Cell Layout | 3 x 12 (12 are half cells) |
| Substrate | Lightweight Fiberglass |
| Warranty | 5 years |














