Charging Technology: It uses PWM (Pulse Width Modulation) 3-stage charging (Bulk, Absorption, and Float) to optimize charging and extend battery life.Voltage and Current: It features 12V/24V automatic voltage identification and has a rated charge and discharge current of 30A.Dual USB Ports: It includes two built-in USB ports (typically 5V/2A or 5V/3A) for directly charging mobile devices.LCD Display: A user-friendly "humanization" LCD screen shows system status, battery levels, and operating parameters.Protection Functions: Built-in safeguards include protection against overcharging, over-discharging, short circuits, and reverse current flow at night.Input Capacity: It can handle a maximum PV input power of approximately 390W for 12V systems and 780W for 24V systems, with a maximum PV voltage of 50V.