Features 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. Specifications Item Type: MPPT Solar Controller Material: Plastic Product Size: Approx. 40 x 75 x 22mm / 1.6 x 3.0 x 0.9in Photosensitive: No Output During the Day, Load Output at Night, Suitable for Street Lights Efficiency: ≥95% Noise: <55dB Application: Solar Street Light Controller Scene Suitable for Photovoltaic Panel Parameters: Open Circuit Voltage: 21-25V Charging Module: Photovoltaic Input Power: 150W PV Input Start Up Voltage: >17V PV Input Tracking Voltage: 16 to 25V Output to Battery Current: 10A (maximum 12A) No Load Loss: 20MA Voltage Regulation Rate: 1% Load Regulation: 5% Full Load Ripple: 400mV No Load Ripple: 100mV Discharge Module: Input Voltage: Equal to Battery Voltage Load Output Voltage: Equal to Battery Voltage Load Output Current: 10V Static Power Consumption: 12mV Load Output Mode: Photosensitive Protection Module: Battery Terminal Short Circuit Protection: Yes Load Short Circuit Protection: Yes Temperature Protection: Yes Anti Backflow Protection: Yes Protection Class: IP67 Operating 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 Package List 1 x MPPT Solar Controller