Feature: 1. Built-in industrial microcontroller for stable operation in cold, high temperature and humid environments. 2. The 12 Voltage/24 Voltage is automatically recognized and intelligent, providing more convenience for your life. 3. Large LCD screen: ensures easy and intuitive operation. 4. Dual USB output: easily connect to your mobilephone for quick, powerful charging of your mobilephone. 5. Comprehensive protections: provides overcharge, overdischarge, overload protections, and short circuit and reverse connection protections. 6. Easy to apply to different types of street lights and monitoring equipment. 7. The control parameters can be adjusted to a variety of battery parameters work, easy to adapt to different features of the battery. 8. Overcurrent,short circuit, automatic recovery after protections. 9. Battery temperature compensation. Specification: Applications: for solar green light, solar light billboards, solar insecticidal lamps, marine solarpowered systems, solarpower systems, etc. Features: Built-in industrial microcontroller for stable operation in cold, high temperature and humid environments. The 12 Voltage/24 Voltage is automatically recognized and intelligent, providing more convenience for your life. Large LCD screen: ensures easy and intuitive operation. Dual USB output: easily connect to your mobilephone for quick, powerful charging of your mobilephone. Comprehensive protections: provides overcharge, overdischarge, overload protections, and short circuit and reverse connection protections. Easy to apply to different types of street lights and monitoring equipment. The control parameters can be adjusted to a variety of battery parameters work, easy to adapt to different features of the battery. Overcurrent,short circuit, automatic recovery after protections. Battery temperature compensation. Specifications: Color: black+orange Material: ABS Rated charging current: 30A, 40A, 50A, 60A (optional) Working voltage: 12 Voltage/24 Voltage Floating charging voltage: 13.8V / 27.6V (adjustable) Undervoltage Protections: 10.7V / 21.4V (adjustable) Working temperature: 35°C-60°C Storage temperature: 40°C -70°C Package size: 190 * 100 * 55mm / 7.5 * 3.9 * 2.2in Package weight: 360g / 12.7ounce Packing List: 1 * Solar Controller Package List: 1 * Solar Controller