1The solar panel charge controller is compatible with the 12V/24V system, and the built in industrial microcontroller can automatically manage the work of the solar panel and the battery in the solar system. 2Circuit protection function, solar panel charge controller has short circuit protection, open circuit protection, reverse connection protection and overload protection. 3Comprehensive 3 level PWM charge management can improve system efficiency and extend battery life, dual MOSFETs have reverse current protection and low heat generation characteristics. 4Adopting LCD display design, dynamic display of equipment operating data and working status, humanized button settings, more comfortable and convenient operation. 5Wide range of applications, widely used in solar home systems, traffic lights, solar street lights, solar garden lights. Item Type: Solar Charge Controller Material: ABS Rated Voltage (Va): 12/24V Usb Output: 5V/2.4A (Maximum) Self-consumption: 10mA Charging Method: PWM Working Temperature: -20 to +55 1 xSolarChargeController 1 x User Manual This solar panel charge controller will become hot during operation, please pay attention to install the charge controller on a well ventilated appearance.