Dual USB ports: 12V/24V PWM solar controller dual USB terminal output is more convenient, in line with the needs of various electronic products. LCD display: The PWM solar controller adopts LCD display, which clearly displays the current battery status, allowing users to understand the working status of the controller. Dual button operation: The PWM solar charge controller adopts a double button, which makes the operation easier and easier to learn, and there is no need to worry about adjusting the parameters. PWM charging mode: the controller of 12V/24V solar charging adopts PWM charging mode, which is convenient and fast, and the working temperature is -20 ~ +55. Easy to use: The PWM solar charge controller is easy to use and small in size, easy to store and carry, without taking up too much space.