1、Reliable Practicality: MPPT maximizes the conversion of solar panel energy to battery charging, which has reliable practicality. 2、Rectifier Circuit: The IP67 MPPT solar controller adopts a high efficiency synchronous rectifier circuit structure. 3、Anti Backflow: The solar panel controller has the function of anti backflow, which meets daily power supply needs. 4、Simple Installation: The solar panel controller can be installed by connecting the output and input lines according to the applicable voltage. 5、Protection Function: With short circuit protection, over temperature protection, solar input under voltage protection, battery under voltage protection, load port short circuit protection. 1 x MPPT Solar Controller Item Type: MPPT Solar ControllerMaterial: PlasticProduct Size: Approx. 40 x 75 x 22mm / 1.6 x 3.0 x 0.9inPhotosensitive: No Output During the Day, Load Output at Night, Suitable for Street LightsEfficiency: ≥95%Noise: <55dBApplication: Solar Street Light Controller SceneSuitable for Photovoltaic Panel Parameters: Open Circuit Voltage: 21-25VCharging Module:Photovoltaic Input Power: 150WPV Input Start Up Voltage: >17VPV Input Tracking Voltage: 16 to 25VOutput to Battery Current: 10A (maximum 12A)No Load Loss: 20MAVoltage Regulation Rate: 1%Load Regulation: 5%Full Load Ripple: 400mVNo Load Ripple: 100mVDischarge Module:Input Voltage: Equal to Battery VoltageLoad Output Voltage: Equal to Battery VoltageLoad Output Current: 10VStatic Power Consumption: 12mVLoad Output Mode: PhotosensitiveProtection Module:Battery Terminal Short Circuit Protection: YesLoad Short Circuit Protection: YesTemperature Protection: YesAnti Backflow Protection: YesProtection Class: IP67Operating Temperature: -40℃ to +65℃Overheating Protection:When the Internal Temperature of the MPPT Controller Exceeds 100℃, the MPPT Controller Will Reduce the Output Power. if the Internal Temperature Continues to Rise to 110℃, the MPPT Controller Will Automatically Turn off the Output. when the Internal Temperature of the MPPT Controller is Lower Than 90℃, the MPPT Controller Will Automatically Resume Operation.Weight: Approx. 133g/ 4.7oz