Free Shipping Car Solar Charger Panel 12V Charger Boat Portable Power Outdoor Features: Solar power for car battery charging, notebook PCs, and other 12V rechargeable batteries. Designed to efficiently charge batteries. Helps maintain battery effectiveness and extend its life. Reverse Discharge Prevention: Solar panel with built-in blocking diode prevents reverse discharge. Insert the charger into the vehicle's 12-volt light socket, or connect the charger directly to the battery using the included alligator clips. Specifications: Product Name: Portable Solar Panel Kit Material: PET + Polycrystalline Silicon Cell Waterproof Rating: IP65 Solar Energy Conversion Rate: 15% ~ 18% Idle Voltage: 18-23VDC NOCT (Nominal Operating Cell Temperature): 5℃-30℃ Place the panel in a location with less sunlight. Panel temperature of 25℃ is the most efficient for power generation. Size: Approximately 33.5 * 12.5 * 3mm USB Output Voltage: 12V Self-Consumption: <10mA Color: Black Outdoor Travel Camping Package: Solar Panel 4 Suction Cups Car Charger Dual Head Clamp USB Female Cable English Manual Box has a dent