10W 18V Solar Panel Trickle Charging Kit Portable Waterproof Solar Battery Trickle Chargers with Adjustable Bracket for Car Automotive Boat Marine RV Trailer Features: Efficient Conversion: 10W/18V monocrystalline silicon solar panel utilizes efficient solar conversion technology, doubling the working current output compared to others of the same size and power. This means it can provide nice performance even in low light conditions. With a conversion rate of up to 23.4%, you can trust that this solar panel will efficiently convert sunlight inable energy. High-Quality and Portable Design: Constructed with high-quality PET polymer surface, it effectively protects the board from corrosion, scratches, and water damage. This ensures its long-lasting durability and suitability for outdoor use. The lightweight and portable design make it easy to carry and install anywhere you need power on-the-go. Adjustable Bracket: Equipped with an adjustable bracket, the solar panel allows you to easily adjust the angle according to the sun's position for maximum sunlight exposure. Whether you're charging a storage power supply or powering devices directly, this adjustable stand provides convenience and flexibility. Parallel Charging Support: When charging your energy storage batteries, the solar panel supports parallel charging with two panels for higher efficiency. This means you can charge multiple batteries simultaneously, saving you time and improving overall charging efficiency. Wide Applications: It is versatile and suitable for various applications. Whether you need to charge your car, motorcycle, boat, RV, trailer, or other outdoor equipment, this solar panel is a reliable choice. Its wide ranges of application make it an essential companions for outdoor enthusiasts and those seeking sustainable energy solutions. Specifications: Color: Black Material: PET + Monocrystalline Silicon Solar Energy Conversion Rate: 23.4% Maximum Power: 10W Working Voltage: 18V Open Circuit Voltage: 21.5V Working Current: 0.55A Short Circuit Current: 0.63A Waterproof: IP65 NOCT(Nominal Operating Temperature of Battery): 40-85°C Operating temperature: -35~60°C Item Size: 285 * 265 * 2mm/ 11.22 * 10.43 * 0.08in Item Weight: 350g/ 12.3oz Package Size: 300 * 300 * 40mm/ 11.81 * 11.81 * 1.57in Package Weight: 650g/ 22.9oz Packing List: 1 * Solar Panel 4 * Suction Cups 1 * Car Chargers 1 * Battery Clip