500w Solar Panel Dual Usb With 30a Controller Solar Cells Poly Solar Cells. Features: Used to Charge MP3 Phones, Pads or Other Controlled Devices. Dual Female USB Ports, You Can Easily Charge for Car Yacht RV Battery Charger the Device Through the * USB Charging Cable. You Can Put the Panel in the Sun and Use It to Directly Charge the Device. Suitable for Outdoor Biking, Mountaineering, Hiking, Camping, Traveling, Etc. Specifications: Material: Monocrystalline Silicone Battery Power: 50W Working Current: 5A Voltage: 18V Waterproof Rate: IP65 Rate Conversion Rate: 17.8% Number of USB Ports: DoubleSize: 36 * 33cm / 14.2 * 13inch Color: As Show Foldable Solar Panel: No Number of Panels: 2Flexible Solar Panel: No Type: Solar Panel Packing Included:2 X Solar Panel 8 X Suction Cup 4 X Buckle 1 X Alligator Clip 1 X Car Charger 1 X DC Male Cable 1 XControllerNote: Please Allow 1-3cm (0.4-1.18") Difference Due to Manual Measurement and Slight Colorn Ariation for Different Display Setting. Due to the Light and Screen Difference, the Item's Color May Be Slightly Different from the Pictures.