Solar Panel + 20A Controller Superior Performance: Highly efficient monocrystalline solar cells work well even in low light conditions and internal diodes prevent leaks at night.FLEXIBLE: This panel is ideal for curved surfaces of RVs, boats, sailboats, yachts, trucks, cars, buses, cabins, RVs, tents, trailers, golf carts or other irregular surfaces.High reliability with guaranteed performance +/-3% power tolerance.The modules can withstand strong winds, snow loads and extreme temperatures.Reliability: Advanced encapsulation materials with multi-layer lamination improve battery performance and ensure long service life. The junction box has a built-in diode for anti-reverse charging of the battery.EASY INSTALLATION: The solar panels are easy to install with wires, adhesives, screws and eyelets on the corners.The controller can protect the battery while charging.Product information Weight: 260gSize: 411 x 200 x 2.5mm Packaging size: 465 x 215 x 35mm Packaging weight: 430g + 150g (controller) Packing list: 1*solar panel 1*solar controller (optional) 1*car charger 1*battery clamp<br/> 4 * Suction cup 1 * User manual