1Builtin industrial microcontroller, automatically manage the work of solar panels and batteries in solar systems. 2Large LCD display, clear and intuitive, and the parameters is adjustable. Double mosfet reverse current protection, low heat generation. 33level PWM charging management can improve system efficiency and extend the battery life. 4With short circuit protection, open circuit protection, reverse connection protection and overload protection. 5Dual USB output, the maximum current is 2.5A, support for iOS mobile phone charging, which is convenient. 6Simple to set up and operate, wide range of applications, can be used for household, industrial, commercial, automotive, etc. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store