Features: Solar panel kits with solar controller, extension cable with battery clips for marine boat systems.Features a builted-in protections mechanism in the controller to prevent safety hazards such as overcharging and discharging.Eliminates the need for batteries, saving time and reducing maintenance hassles, while providing a direct drive for your devices.For various applications like shed, cabin, gate opener. where 12V batteries is used, and fits for car, , boat, marine, trailer, pumps.Weatherproof design, with a wide ranges of operating , suitable for more equipment and scenarios.Specifications: Component: Solar Panel and MetalPhotovoltaic cell: monocrystalline silicon 16V 30WOpen circuit voltages: 19.2VOpen circuit: 1300mAWorking voltages: 16VWorking current: 1250mAsolar panel size: about 28x28x2cm/11.02x11.02x0.79inchConversion efficiency: 19.8%Waterproof rating: IP65 life waterproofPackage Includes: 1pc Solar Panel1pc Controller1pc Battery Clamps1pc Connecting Wirenote: Please allow 1-2cm errors due to manual measurement. Due to difference between different monitors, the picture may not reflect the actual color.