Welcome to our store! 1, Built-in industrial microcontroller. 2, Large LCD screen, all adjustable parameters. 3, Full 3-stage PWM charge management. 4, Built-in short-circuit protection, open-circuit protection, reverse protection, overload protection. 5, Dual MOSFET reverse current protection, low heat generation. Features: Built-in industrial microcontroller. Large LCD screen, all adjustable parameters. Full 3-stage PWM charge management. Built-in short-circuit protection, open-circuit protection, reverse protection, overload protection. Dual MOSFET reverse current protection, low heat generation. Specification: Condition: 100% Brand New Material: ABS Color: As the picture shown Options: 10A, 20A, 30A, 40A, 50A, 60A Battery Voltage: 12V 24V Auto Solar Panel Voltage: 12V, 18V solar panel, 24V, 36V solar panel Float Charge: 13.7V(default,adjustable) Discharge Stop: 10.7V(default,adjustable) Connect Discharge: 12.6V(default,adjustable) Self-consumption: <10mA USB Output: 5V / 2A Max Package List: 1 x PWM Controller 1 x User Manual Customers are our top priority. If you find any problems with your product after receiving it, such as damage or incorrect quantity, please contact us immediately. We strive to provide you with the best after-sales service.