1. Multiple protections: There are multiple built-in protection functions, which are safer to use and more assured. When the fault is eliminated, they are all self-recovery types without damaging the controller. 2. Industrial-grade main control chip: using industrial-grade main control chip, 16-level AD sampling accuracy, temperature, charging current, accurate real-time display, power generation at a glance 3. Auto-focus MPPT tracking charging: high charging efficiency, non-stop detection during charging, two-way focus tracking 4. LCD display large screen: charging and discharging parameters are adjustable. The ultra-wide charge and discharge are adjustable, as long as you understand the battery characteristics and set the corresponding charging parameters, you can charge any battery 5. Dual DC load: dual DC5.0 DC load output, easy to connect.