1、MPPT Solar Panel Controller: Compatible with 12V 24V systems. This solar charge controller automatically manages the work of solar panels and batteries with the help of built in industrial micro controllers. You can also charge your phone, tablet, and computer through the USB output. 2、3 Stage PWM Adjusting Charging: Solar panel controller Features fast charging, bulk charging, and floating charging through PWM regulation, achieving efficient, fast, and intelligent charging to effectively extend battery life. 3、Protect Features: Overload protect, short circuit protect, reverse connection protect, low voltage protect, overcharge protect, and 3 levels PWM charging management. This solar charge controller helps improve system efficiency safely and extend battery life. 4、Wide Application: Solar panel regulator is suitable for solar power generation systems, smart homes, solar chargers, solar ventilation systems, solar lightboxes, solar billboards, solar warning lights, etc. 5、Low Self Consumption: With extremely low self consumption characteristics, this solar charge controller is an energy saving and practical solution for off grid power systems. Due to its low self consumption rate, the controller consumes very little battery power, allowing you to maximize system efficiency and battery life. Item Type: Solar Panel Controller Material: ABS System Voltage: 12V/24V Auto Adaptation 1 x MPPT Solar Panel Controller 1 x User Manual