[High-performance design] The 300W solar panel kit features 21% high-efficiency monocrystalline silicon solar cells, delivering reliable power output even in low-light conditions. [Lightweight and portable] Designed for easy transport and convenience. High conversion efficiency and strong output performance. Built with high stability and long-lasting durability. Offers strong adaptability for various applications. Simple installation with pre-drilled holes on the panel's back for quick mounting and secure placement. [Charge controller included] Includes a 10A-60A 12V solar charge controller with smart multi-function capabilities and an LCD display. The controller monitors and displays battery and panel voltage and current in real time, while continuously tracking charging efficiency. [Durable construction] The solar panel features a strong aluminum frame and non-reflective tempered glass, built to perform in a variety of weather conditions. The rear junction box is waterproof, providing added safety and protection against leakage.