1Solar controller adopts LCD to display all parameters with rich content, intuitively understands the system operation. 2Built-in energy-saving backlight board can keeps better display effect and more power saving. 3There are DC12V and USB5V output with switching power supply regulated output, which can be used for DC lighting and mobile phone charging. 4With output switch, intelligent control and easy operation, the system power supply adopts switching power supply, which reduces the static working current. 5Independent temperature detection circuit is with high-accuracy temperature compensation. And exposed terminal makes more convenient wiring, in addition CMF series with large metal shell. 6Use of single-chip control makes the controller intelligent, adaptable and reliable. Meanwhile, battery controller adopts WPC control based on PWM upgrade, greatly improves system efficiency and extend battery life.Item Type: Solar controller Model: CMG2420 Technical Parameters: Rated Charging Current: 20A Rated Discharge Current: 20A USB Output Voltage: 5V Total USB Output Current: 500MA DC Output Voltage: 12V Total DC Output Current: 2A Overload and Short Circuit Protection: 1.5 times rated current Short Circuit Recovery Time: 10s Solar Panel Open Circuit Voltage: 40V No-Load Loss: 0.05W Overvoltage Protection: 15V; x 2 / 24V Floating Charging Voltage (Maximum Charging Voltage): 14V; x 2 / 24V Recovery Discharge Voltage: 12V; x 2 / 24V Over-Discharge Voltage: 10.5V; x 2 / 24V Control Mode: Software intelligent control Working Temperature: -35 to + 55Size: Approx. 100 x 135 x 30mm / 3.9 x 5.3 x 1.2in 1 x Solar Controller2 x DC Connection Cable1 x User Manual