Feature: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.Specification: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 +65Overheating 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.Package List:1 x MPPT Solar ControllerNote:1.The MPPT controller should be fixed on an iron or metal bracket to avoid the vibration of the machine due to instability.2.The MPPT controller should allow some space around the enclosure.3.Output and input wires should be kept as short as possible to avoid excessive energy dissipation during transmission.4.There is high voltage and high current in the machine, and non professionals are not allowed to disassemble.5.The input and output terminals should be reliable and not loose, so as to avoid heating at the connection point.