Versatile Voltage Compatibility: Designed to support multiple voltages including 12V, 11.1V, and 12.8V, this solar controller is versatile for solar panel setups and battery types, making it a universal solution for solar . Enhanced Current Options: Available in three different current capacities (10A, 20A, 30A), this controller can handle a wide range of power requirements, making it suitable for small to medium-sized solar applications. Integrated USB Port: Features a built-in USB port that allows for convenient charging of USB-powered devices directly from the solar system, enhancing the usability of your solar setup. Customization and Safety: The controller is customizable to user needs and includes multiple electronic protections to prevent overcharging, over-discharging, overload, and short circuit, ensuring the and safety of your solar system components. Color: Black & Orange Material: PC + Aluminum Alloy Package Contents: 1*Solar Controller Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.