Feature:1. Lightweight And Convenient: This solar panel is lightweight, stable and durable, and it can be bent appropriately and is convenient for use.2. Simple To Use: This monocrystalline solar panel is easy to use, and can be used under the sun. It can be used in automobiles, ships, etc.3. High Conversion Efficiency: Solar panels have high conversion efficiency, good output efficiency, low light efficiency and strong applicability.4. Scope Of Application: Flexible solar panels can be used for car batteries, RVs, ships, airplanes, outdoor breeding, tourism, and solar street lights.5. Controller Rated Voltage: 12V (420W) 24V (840w) automatic (12V is suitable for 18V solar panels, 24V is suitable for 36V solar panels).How to Use:To use under the sun.Specification:Item Type: Solar PanelMaterial: Monocrystalline SiliconProduct Size: Approx. 41.2x20cm / 16.2x7.9in Controller Size: Approx. 13.3x6.8x3.5cm / 5.2x2.7x1.4in Weight: Approx. 608g / 21.4ozController Current: 30AController Rated Voltage: 12V (420W) 24V (840W) Automatic (12V Is Suitable For 18V Solar Panels, 24V Is Suitable For 36V Solar Panels)Maximum Power (Pmax): 8WOpen Circuit Voltage (Voc): 20VMaximum Power Voltage (Vmpp): 18VShort Circuit Current (Isc): 0.6AMaximum Power Current (Impp): 0.4AOutput: USBFeature: Without Power Storage FunctionStandard Test Conditions AM=1.5 Irradiance=1000W/㎡ Temperature= 25℃ Package List:1 x Solar Panel4 x Sucker1 x Car Charger1 x Battery Folder1 x Solar Controller2 x Chinese And English Manual