300W Semi-Flexible Solar Panel with High-Efficiency Monocrystalline PERC Cells – Flexible Power for Demanding Off-Grid Systems

This high-output 300W semi-flexible solar panel is built to power larger mobile and off-grid setups with reliability and efficiency. Engineered with Monocrystalline PERC cells rated at >23% efficiency, it provides exceptional power generation in a slim, bendable, and rugged format—ideal for RVs, boats, off-grid cabins, and curved installations.

Constructed with high-strength polymer and multi-layer EVA protection, this panel is designed to withstand physical stress, environmental exposure, and heavy-duty use while remaining easy to handle and install.

Product Features:

• ⚡ High-efficiency Monocrystalline PERC cells – Converts >23% of sunlight into usable energy for maximum output in a compact footprint

• 🔬 Advanced PERC cell technology – Optimised for low light, angled sun, and warm conditions

• 🛡️ Composite polymer structure – Resists cracking, trampling, and bending while maintaining flexibility

• 📏 Full panel dimensions: 1755 × 898 × 2mm

• 🪶 Portable for its size – At just 5.3kg, lighter than rigid glass panels of similar power output

• 🌊 IP68 waterproof rating – Offers top-level resistance to water and dust for marine and outdoor use

• 🔌 Plug-and-play connectivity – Comes with 2 × 90cm cables (4.0mm²) and pre-fitted MC4 connectors

• ⚙️ Flexible installation – Mount with bonding or mechanical fasteners on curved or flat surfaces

• 🛠️ Covered by a 2-year warranty – Confidence for off-grid and mobile energy systems

Electrical Specifications

Temperature Coefficients

Mechanical Specifications

Panel Construction

• Multi-layer structure with reinforced polymer top layer

• EVA encapsulation for shock absorption and long-term reliability

• High-efficiency Monocrystalline PERC cells

• Durable TPT backsheet

• Integrated waterproof junction box and factory-installed MC4 connectors

Ideal For:

• Expedition vehicles and large motorhomes

• Boats and yachts (including saltwater use)

• Off-grid homes, cabins, and mobile systems

• Lightweight and curved installations

• Solar backup power and mobile energy solutions

Delivering robust 300W output in a slim, flexible, and marine-ready format, this panel offers the power and resilience to support energy-intensive systems in the harshest environments.