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The Oscal PM400 is a foldable 400W solar panel built for charging large portable power stations off-grid. It uses monocrystalline cells rated up to 23% conversion efficiency and is aimed at camping, RV and emergency backup use. Its output puts it in the high-wattage class of folding panels, where rivals from Jackery, EcoFlow and Bluetti compete on the same efficiency and portability claims. Buyers choosing it are mostly pairing it with an Oscal PowerMax station, though it works with other brands too.
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The Oscal Portable Solar Panel PM400 is a foldable 400W solar panel for off-grid charging, such as camping, RVing and emergency preparedness. It is designed to work with Oscal PowerMax series and other portable power stations.
It uses monocrystalline silicon cells with up to 23% conversion efficiency. An ETFE coating protects the panel against water, dust and scratches, and it has an IP67 weather-resistance rating.
The panel folds compact and has built-in carry handles. Adjustable kickstands let you set the angle toward the sun. It needs no setup tools: unfold it, connect it and start charging. It includes XT60, Anderson and other connectors.
