The solar panel converts up to 23% of sunlight into solar energy and effortlessly charges solar systems even on cloudy days. Equipped with proprietary Suncast technology, the solar panel can be adjusted to capture direct sunlight for maximum charging. The 625 solar panel is compatible with PowerHouse 521, 535, and 757, making it a great all-in-one solution for road trips, camping excursions, RVs, and more. This lightweight solar panel features a USB-C and a USB-A output to charge two devices simultaneously. Position the solar panel with the adjustable mount to receive just the right amount of sunlight.