What Our Experts Think
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The EcoFlow 400W Portable Solar Panel (SOLAR400W-2) delivers high-efficiency solar charging for EcoFlow power stations and home backup systems.
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Built with monocrystalline silicon cells offering up to 23% conversion efficiency for fast, reliable energy capture.
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Its foldable, lightweight, and weather-resistant design makes it perfect for camping, RVs, or off-grid living.
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Features an integrated kickstand case for easy setup and optimal sun angle adjustment.
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Compatible with a wide range of EcoFlow devices, including the DELTA Pro, DELTA Pro Ultra, and RIVER series.
Q&A
Q: What is the power output of this panel?
A: It provides 400 watts of maximum output, ideal for quick charging of large-capacity batteries.
Q: Is it waterproof?
A: Yes, it’s IP68 rated, offering excellent dust and water resistance for outdoor durability.
Q: Can it be connected in series or parallel?
A: Absolutely — multiple panels can be linked together for higher power input.
Q: How portable is it?
A: It folds into a compact, carry-friendly form with a protective case for easy transport and storage.
Q: Does it work with non-EcoFlow devices?
A: Yes, it includes standard MC4 connectors, allowing broad compatibility with other solar systems.
Maintenance Tips
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Clean the panel surface regularly with a soft, damp cloth to maximize efficiency.
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Avoid shading or obstructions to ensure full solar exposure.
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Store in a cool, dry place when not in use to prevent moisture damage.
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Check connectors periodically for dirt or corrosion.
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Handle with care—avoid bending or dropping to protect the solar cells.
