220W Semi-Flexible Solar Panel with Monocrystalline PERC Cells – Reinforced PCB Design for Motorhome and Marine Use
This 220W semi-flexible solar panel is engineered for real-world durability, combining high power output with a reinforced PCB core and embedded fiberglass layer. Designed with Monocrystalline PERC cells delivering >23% efficiency, it’s ideal for boats, campervans, motorhomes, caravans, and off-grid systems where resilience and performance under stress are essential.
With dual ETFE surface protection and a fiberglass backbone, this panel resists delamination, corrosion, and cracking—making it suitable for bonding to slightly curved surfaces and even light foot traffic on marine decks or vehicle roofs.
Product Features
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⚡ Monocrystalline PERC solar cells – Delivers >23% conversion efficiency with high power density
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🔬 Advanced PERC cell technology – Improves light capture in low-light and high-temperature conditions
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🛠️ Reinforced PCB construction – Embedded 1.6mm fiberglass layer enhances structural strength and impact resistance
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🌞 Dual-layer ETFE coating – Front and rear ETFE surfaces provide superior protection against corrosion and UV degradation
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📏 Panel dimensions: 1570 × 700 × 3mm – compact and slim for easy installation on tight surfaces
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🪶 Lightweight yet robust – Weighs 4.8kg, offering a solid balance of strength and portability
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🖤 All-black backsheet – Provides a clean, modern appearance ideal for discreet mounting on dark-coloured surfaces
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🌊 IP67 waterproof rating – Sealed design protects against water, salt, and dust for long-term outdoor use
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🔌 Quick-connect ready – Supplied with 2 × 90cm cables (4.0mm²) and MC4 connectors for simple integration
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⚙️ Installation-friendly – Can be glued directly onto surfaces with <10° curvature; suitable for bonding or mechanical mounting
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✅ Positive power tolerance – Guaranteed output range of 220–223W
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🛡️ Backed by a 3-year warranty – Built to last, supported by extended peace of mind
Electrical Specifications
| Max Power (Pmax) | 220W |
| Max Power Voltage (Vmp) | 19.8V |
| Max Power Current (Imp) | 11.11A |
| Open Circuit Voltage (Voc) | 23.76V |
| Short Circuit Current (Isc) | 12.22A |
| Maximum System Voltage | 600V |
| Series Fuse Rating | 10A |
| Cell Efficiency | >23% |
| Number of Cells in Series | 36 |
| Cell Dimensions | 166 × 166 mm |
| Max Power Tolerance | 0 ~ +3W |
Temperature Coefficients
| Power | -0.38% / °C |
| Voltage | -60.08mV / °C |
| Current | 2.2mA / °C |
Mechanical Specifications
| Weight | 4.8 kg |
| Dimensions | 1570 × 700 × 3 mm |
| Cable | 90 cm, 2x 4.0mm² with MC4 connectors |
Panel Construction
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Dual ETFE-coated exterior for high durability and UV resistance
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EVA encapsulation layers for cell protection and shock absorption
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Embedded fiberglass-reinforced PCB core for maximum strength
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Monocrystalline PERC solar cells for high performance
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Waterproof junction box with pre-installed MC4 connectors
Ideal For
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Boats, yachts, and marine applications (resistant to saltwater and trampling)
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Campervans, motorhomes, and caravans
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Off-grid solar systems with moderate power needs
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Vehicle or trailer solar where flat bonding is required
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Rugged portable solar setups
With 220W of dependable output and a robust, low-profile structure, this panel is the ideal balance between power, flexibility, and mechanical resilience—perfect for mobile, marine, and off-grid adventures.