Function: 1. Charging Regulator: Manages charging and discharging for 12V and 24V batteries, ideal for solar panels. 2. Reliable Operation: PWM charging mode employs efficient, low-loss diode charging, extending battery life. 3. Enhanced Monitoring: The LCD screen clearly displays battery voltage, current, and power, facilitating real-time battery status monitoring. 4. Stable Power Supply: USB 5V dual output allows charging of mobile phones, tablets, cameras, etc., via solar panels, offering strong practicality. 5. High Security: Internal built-in voltage and current intelligent protection safeguards the safe operation of batteries and electronic products. Specification: Item Type: Solar Charging Regulator Material: Plastic Product Size: Approx. 14 x 7 x 4cm / 5.51 x 2.76 x 1.57in. Package List: 1 x Solar Charging Regulator 1 x User Manual