1、COMPATIBLE SYSTEMS: It is designed to work seamlessly with both 12V and 24V systems. It features a built in industrial microcontroller that automates the management of your solar panels and batteries. 2、THREE STAGE PWM CHARGING: Equipped with a three stage PWM charging, this controller supports fast charging, bulk charging, and float charging. This technology allows for efficient and intelligent charging, significantly extending the lifespan of your batteries. 3、HIGH SECURITY: It includes security features such as overcurrent prevention, short circuit prevention, reverse connection prevention, low voltage prevention, and overcharge prevention. 4、DIVERSE APPLICATIONS: It is suitable for a wide range of applications, including solar power systems, smart homes, solar chargers, solar ventilation systems, solar light boxes, solar billboards, and warning lights. 5、LOW SELF CONSUMPTION: With low self consumption, this solar charge controller is an energy efficient solution for off grid power systems. Its minimal power draw means that it uses very little battery capacity, maximizing your system's efficiency and lifespan. Item Type: Solar Charge Controller Material: ABS System Voltage: 12V 24V Auto Adaptation USB Output: 5V 2A 1 x Solar Charge Controller 1 x Instruction Manual