About this item FeatureAdopt industrial microcontroller to control charger and discharge process, charging and discharging parameters can be adjusted. Full 3-stage PWM load management Good heat dissipationDouble MOSFET reverse current protection, low heat generation (Note: The controller will be hot when operating. Please install it in a well-ventilated place) Display clearlyThe solar panel charge controller has a large LCD display with backlight Mutiple ProtectionBuilt-in a variety of functions of protection including over current, short circuit, open circuit, reverse connection, etc. Wide UsageSmart solar panel battery regulator can be used for mobile phones, tablets, speakers, etc.