Portable 15W solar charging panel built for outdoor use. Lightweight and foldable, it provides reliable power for phones, tablets, drones, GPS units, and cameras when you are away from mains power. Key benefits Reliable off grid charging: 15W output and conversion efficiency deliver useful charging power in direct sunlight, so your devices stay powered during camping, RV trips, and outdoor work. Fast and efficient performance: Monocrystalline silicon cells with 95 percent light transmittance and a textured surface with parallel grooves improve sunlight absorption and convert up to 24 percent of solar energy into electrical power. Built for device safety: Builtin USB output and intelligent voltage regulation prevent overcharging and manage power delivery. The panel automatically recovers from temporary shading to resume charging when light returns. Easy to carry and store: Folds to a compact 19.2 x 12.8 x 3.7 cm and weighs 396 g, making it easy to slip into a backpack or travel kit. What it does Charges phones, tablets, drones, GPS devices, and digital cameras via the integrated USB port. Maintains stable voltage to protect batteries and connected electronics. Resumes charging automatically after shadows or intermittent cloud cover. Technical highlights Power: 15W nominal output Cell type: Monocrystalline silicon Light transmittance: 95 percent Peak conversion: Up to 24 percent under sunlight Port: Builtin USB for direct device charging Size folded: 19.2 x 12.8 x 3.7 cm Weight: 396 g Practical use scenarios Camping: Power a phone and portable lights while off grid, reducing the need to carry extra batteries. RV and road trips: up navigation devices and tablets during long drives or when parked without shore power. Outdoor photography and drones: Keep batteries charged in the field so shoots and flights are not interrupted. This compact solar panel is a practical choice when you need a lightweight, efficient way to charge common devices away from shore power.