Feature: 1. Polycrystalline Silicon Material: Adopts premium polycrystalline silicon, the solar panel has high stability and good durability, can withstand various hazard environment. 2. Higher Conversion Rate: 30W portable solar panel, high photoelectric conversion rate, high output efficiency, stable and reliable, for your equipment to provide safe charging. 3. High Efficiency: Using green solar energy, environmental protection and energy saving, contribute to environmental protection. Please note that the solar panel does not store electricity. 4. Applicable Scenes: The solar battery charger kit is suitable for car batteries, RV, ships, aircraft, outdoor agriculture, planting, tourism, solar street lights. Perfect for outdoor camping and touring. 5. Solar Panel Kit: Choose this solar charger set, you will get 1pc solar charging panel, 1pc controller, 1pc manual, 1pc car charging cable and 1pc output clip. Easy to install and assemble. Specification: Item Type: Solar Panel Material: Polycrystalline Silicon Weight: Approx. 512g / 18.1oz Solar Panel Power: 30W Controller Current: 40A Controller Voltage: 12V 24V. Package List: 1 x Solar Panel1 x Controller1 x Manual1 x Car Charging Line1 x Output Clip Note: No power storage function.