1、Special Technology: The MPPT controller uses solar maximum power point tracking (MPPT) technology, reliable and stable performance. 2、High Efficiency: 300W 20A MPPT solar charge controller adopts high efficiency synchronous rectifier circuit structure. 3、Multi Protection: Short circuit protection, over temperature protection, solar input under voltage protection, battery under voltage protection, load port short circuit protection. 4、Scope of Application: Solar street light controllers, solar chargers, solar electric bicycles, solar electric tricycles, solar toy cars, household solar panels, solar monitoring and other usage scenarios. 5、Good Performance: Product size is 74x74x32mm / 9x9x3in. 20A load discharge current, 300w output power, normally open is 24 hours load output. 1 x Controller Item Type: MPPT Solar ControllerMaterial: PlasticGross Weight: 306g / 10.8ozProduct size: 74x74x32mm / 2.9x 2.9x 1.3inLoad Discharge Current: 20AOutput Power: 300WNormally Open: 24 Hours Load OutputEfficiency: ≥95%Noise: <55dBApplication: Solar street light controllers, solar chargers, solar electric bicycles, solar electric tricycles, solar toy cars, household solar panels, solar monitoring and other usage scenariosNo Load Loss: 30MAVoltage 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: 30A (Max 32A)Static Power Consumption: 12mALoad Output Mode: PhotosensitiveBattery Terminal Short Circuit Protection: YesLoad Short Circuit Protection YesTemperature Protection: YesProtection Class: IP67Working Temperature: -40℃-+65℃18:23