1、SPECIFICATIONS: Solar panel charging controller, 12V 24V adaptive voltage, with 5V 3A USB output, suitable for lithium battery, etc. 2、CIRCUIT PROTECTION: The solar controller has short circuit protection, open circuit protection, reverse protection and overload protection. 3、CLEAR DISPLAY: The status and data can be clearly displayed on the LCD, convenient for mode switching and parameter configuration. 4、EXCELLENT CHIP: The solar charging controller adopts industrial grade master control chip, with stable performance and less interference. 5、EASY OPERATION: The PV charge controller has a simple structure, easy to connect and operate, suitable for home, industry and commerce. 1 x Solar Controller1 x User Manual Item Type: Solar ControllerMaterial: ABSVoltage: 12V 24V Self AdaptionUSB Output: 5V 3AWorking Ambient Temperature: -35℃ to 60℃Standby Current: <10mADischarge Recovery Voltage: 12.6V (default, adjustable)Discharge Cut Off Voltage: 10.7V (default, adjustable)Float Charging Voltage: 13.7V (default, adjustable)Maximum Photovoltaic Voltage: <50V