Feature: 1.Strong Applicability: It has a single crystal chip, lightweight and portable, suitable for outdoor travels. Can charge for automobiles, boats, motorcycles, electric fans, emergency lights, solar water pumps, RV batteries or any 12V lead acid battery. 2.High Conversion Rate & Good Output Efficiency: The solar panel with high conversion rate of about 23-24% charges fast in the direct strong sunlight. 3.Stable and Durable: Scratch resistant, non-foaming and easy to clean. Using advanced polyethylene coating technology, its surface is plated with dark blue reflective film, which is uniform and beautiful in color. 4.High-quality Material: All positive and negative electrodes are made of silver paste with high welding strength and low series resistance. 5.Adjustable Angle: With a semi-flexible design, the solar panel can bent appropriately to suit a wider range of applications. Specification: Type: Solar Panel Size: 11*11 Inches Color: Black Conversion Rate: 23-24% Panel: Monocrystalline Silicon Maximum Current (Cmax): 2A Maximum Voltage (Vmp): 5V Short Circuit Current: 3A Charging Time: 2 Hours Waterproof: IP65 Working Temperature: -40+85 Type: With controller How to Use It: 1. First, face the sun with a solar panel, and a red light on the back indicates that the current output is normal; 2. Fix the suction cup on the windshield or other positions where sunlight is easy to shine, and the absorption effect will be better; 3. You can also put it on the workbench in front of the dashboard. Package Included: 1 * Solar Panel 4 * Sucking Cup 1 * Car Charger 1 * Battery Clip 1 * 10-in-1 Charging Cable 1 * Controller 1 * User Manual