Anself 20A 12V/24V LCD Solar Charge Controller Panel Battery Auto Regulator Switch Overload Protection LCD screen display all parameters.With output switch, intelligent control, easy to operate. Fully automatic operation.Microcontroller digital accuracy. A key to open and close the load.PWM charging mode(SOC). With separated temperature detected circuit, high precision temperature compensation function. DC 12V and USB 5V charging for DC lamp and phone.