EcoFlow 400W Portable Solar Panel (SOLAR400W)

The EcoFlow 400W Portable Solar Panel (SOLAR400W) is a high-capacity foldable solar solution designed for maximum off-grid power generation, emergency backup, and heavy-duty outdoor use. Engineered with high-efficiency monocrystalline silicon cells, it delivers strong and stable energy output to charge EcoFlow power stations and other compatible solar systems. With a rugged IP68-rated build, adjustable kickstand case, and advanced MPPT optimization, this panel is built for reliable performance in demanding environments, making it ideal for camping, RVs, and home backup power systems.

Product Features

High 400W Power Output

Delivers a rated output of 400W, providing fast and efficient charging for portable power stations and off-grid energy systems.

High-Efficiency Monocrystalline Cells

Built with premium monocrystalline silicon cells achieving up to 23% efficiency for improved solar energy conversion.

Portable Foldable Design

Features a compact folding structure that makes transportation and storage more convenient despite its high power capacity.

Adjustable Kickstand Case

The protective carry case doubles as a durable kickstand, allowing optimal panel positioning between 40° and 80° for maximum solar exposure.

IP68 Waterproof and Dustproof Protection

Fully protected against dust and water immersion, ensuring reliable operation in harsh weather and outdoor conditions.

Durable ETFE and Fiberglass Construction

Constructed with ETFE protective film and reinforced fiberglass backing for enhanced UV resistance, impact protection, and long-term durability.

Optimized MPPT Charging Performance

Designed for seamless integration with EcoFlow power stations, maintaining stable and efficient charging under varying sunlight conditions.

Wide Operating Temperature Range

Engineered to perform reliably in extreme environments, from freezing cold to high heat conditions.

Product Specifications

• Rated Power: 400W (±10W)
• Cell Type: Monocrystalline silicon
• Conversion Efficiency: 22.4% – 23%
• Open Circuit Voltage (Voc): 48V
• Maximum Power Voltage (Vmp): 41V
• Short Circuit Current (Isc): 11A
• Maximum Power Current (Imp): 9.8A
• Connector Type: Standard MC4
• Weight: Approximately 16 kg (panel only), 19 kg (with kickstand case)
• Unfolded Dimensions: 105.8 × 236.5 × 2.5 cm
• Folded Dimensions: 105.8 × 62.0 × 2.5 cm
• Operating Temperature: -20°C to 85°C
• Storage Temperature: -30°C to 60°C
• Waterproof Rating: IP68 (IEC 60529 tested)
• Material Construction: ETFE protective film with high-strength fiberglass frame
• Kickstand Angle Range: 40° – 80°
• Temperature Coefficient of Power: -0.39%/°C
• Temperature Coefficient of Voltage: -0.33%/°C
• Temperature Coefficient of Current: +0.06%/°C