Excellent performance: The 300W solar panel kit uses 21% high-efficiency monocrystalline silicon solar cells, providing reliable performance even in low light conditions. Convenient and portable: Lightweight design for easy transport. High conversion efficiency and consistent energy output. Offers high stability and durability with strong environmental adaptability. Features pre-drilled holes on the back of the panel for quick mounting and secure installation. Charge controller: Includes a 10A-60A 12V solar charge controller with smart multi-function capabilities and an advanced LCD display. Monitors battery voltage and current in real time, while continuously tracking charging efficiency. Durable aluminum frame: Constructed with a robust aluminum frame and non-reflective tempered glass, designed to withstand various weather conditions. The waterproof junction box on the back enhances safety and protects against moisture ingress. Please verify product dimensions and specifications to ensure compatibility with your requirements. Detailed information is provided in the title and product details. We aim for complete customer satisfaction. For any questions or support, feel free to reach out through available channels. Thank you for selecting this product. We hope it meets your expectations.