Feature:1. LCD screen display all parameters.2. With output switch, intelligent control, easy to operate.3. Fully automatic operation.4. Microcontroller digital accuracy.5. A key to open and close the load.6. PWM charging mode(SOC).7. With separated temperature detected circuit, high precision temperature compensation function.8. LCD screen display all parameters.With output switch, intelligent control, easy to operate.9. Fully automatic operation.Microcontroller digital accuracy.10. A key to open and close the load.PWM charging mode(SOC).Specification:This solar charge controller adopts the advanced digital techniques and operates fully automatically. The PWM battery charging mode can greatly increase the lifetime of your battery and has various unique functions and quite easy to use features.Features: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.Protection:Overload protection;Short-circuit protection;Lighting protection;Under-voltage protection;Over-charging protection;Reverse polarity protection.Specifications:Color: BlackMaterial: PlasticVoltage of Battery: 12V / 24V AutomaticRated Charge/Discharge Current: 10A / 20A (Optional)USB Output Voltage: 5VTotal USB Output Current: 3ADC Output Voltage: 12VTotal DC Output Current: 2AOverload/Short Circuit Protection: 1.5 Times by Rated CurrentShort Circuit Recovery Time: 10sOpen Circuit Voltage of Solar Panel: 40VNo Load Loss: 0.05WOver Voltage Protection: 15V; x2/24VFloat Charge Voltage: 14V; x2/24VDischarge Recovery Voltage: 12V; x2/24VOver Discharge Voltage: 10.5V; x2/24VControl Mode: Software Intelligent ControlWorking Temperature: -35~55°CItem Size: 135 * 100 * 25mm / 5.31 * 3.94 * 0.98in (L * W * H)Item Weight: 222g / 7.83ozPackage Size: 14.5 * 12 * 3.8cm / 5.7 * 4.72 * 1.5in (L * W * H)Package Weight: 270g / 9.54ozNote:1. Order of Connection: connect storage battery firstly, then connect the solar panel; Order of Disconnection: disconnect the solar panel firstly, then the storage battery; otherwise it will cause damage to the controller.2. The inverter can't be connected to the controller directly.3. The controller will generate heat during operation, please notice that put the controller on flat surface with good ventilation.Configuration Selection:For 12V System, battery voltage is 12V, recommended input voltage of solar panel: 16-22V, when actual input voltage>50V, controller will be damaged;For 24V System, battery voltage is 24V, recommended input voltage of solar panel: 32-44V, when actual input voltage>50V, controller will be damaged.Package List:1 * Solar Charge Controller2 * DC Cable1 * User Manual(English)Package List:1 * Solar Charge Controller2 * DC Cable1 * User Manual(English)