Features: High-quality Solar Charge Controller: Our solar charge controller Features an industrial-grade main control chip, ensuring reliable and efficient performance for your solar power system. With a large LCD display, you can easily adjust the charging and discharging parameters according to your needs. Versatile Compatibility: Equipped with standard double USB ports, our solar charge controller is compatible with various digital devices that require a USB interface. Whether it"s smartphones, tablets, or other tech gadgets, our controller provides a convenient and reliable charging solution. Robust and Durable Design: Designed with a sturdy plastic casing, our solar charge controller enhances product durability, heat dissipation capability, and safety insulation performance. The high-quality wiring terminals ensure secure connections, preventing any loosening issues. Furthermore, the built-in overcurrent protection, short circuit protection, open circuit protection, and reverse connection protection are all self-recovering, ensuring the longevity of the controller. Intelligent and Efficient Charging Management: Our solar charge controller utilizes a complete 3-stage PWM charging management system, allowing for optimal battery charging efficiency. It also Features a light control delay mode, providing additional convenience for controlling your solar power system. Additionally, the controller incorporates a dual MOS anti-backflow circuit, resulting in extremely low heat generation. Wide Range of Applications: Our solar charge controller is suitable for various applications, including solar power systems, smart homes, solar-powered lightboxes, solar billboards, solar-powered caravans, and more. The controller automatically recognizes the system voltage (12V/24V), making it versatile and easy to use. Its one-click operation ensures a hassle-free experience, automatically disconnecting when the battery is fully charged and storing data for future reference. Specifications: System Voltage: 12V and 24V automatic identification Rated Charging Current: 30A Rated Discharge Current: 10A Maximum Voltage: 12V system less than 23V/24V system less than 46V Float Charging Voltage: 13.7V (adjustable range 12.7-15V Discharge Recovery Voltage: 12.6V Standby Current: less than 10ma USB Output: 5V 2a max Working Temperature: -35~+60 degrees C Package Weight: 160/5.6oz Package Size: 13.3 * 7 * 3.5cm/5.2 * 2.8 * 3.8inch Note: 1. Ensure that your battery has sufficient voltage to allow the controller to identify the battery type before the first installation. 2. Install the controller as close as possible to the battery to avoid voltage drop caused by excessively long wires, which may affect the normal voltage judgment of this device. 3. This controller is only applicable to various lead-acid batteries (including openings, seals, colloids, etc.). Do not charge other batteries (including carp batteries, nickel hydrogen batteries, etc.). 4. This controller can only use photovoltaic panels as the charging power source. Do not use DC or other power sources as the charging power source. Packing List: 1 x Solar Controller 1 x Instructions