Specification:Item Type: Solar Charge ControllerSystem Voltage: 12V 24V Automatic AdaptationRated Discharge Current: 10AMaximum PV Voltage: Up to 23V at 12V, up to 46V at 24VFloat Voltage: 13.7V (Default Value, )Discharge Cut off Voltage: 10.7V (Default Value, )Discharge Recovery Voltage: 12.6V (Default Value, )Charging Recovery Voltage: 13VLight Control Threshold on: Photovoltaic Panel 8VLight Control Threshold off: Photovoltaic Panel 8VUSB Output: 2 Way USB Output, 5V 2.5A (Maximum)Standby Current: Working Temperature: -35~+60℃Material: ABSPackage List:1 x Solar Charge Controller1 x English User ManualNote:There is no need to reset when the battery runs out, as will remember various parameters set by the user