Features 1、MPPT Solar Controller: Control your solar panels with ease. Equipped with dual USB ports for convenient charging. Plus, BT connectivity allows you to monitor data and settings on your phone anytime, anywhere. 2、Solar Charging Controller: Compatible with 12V 24V systems and supports various battery types. Features an industrial microcontroller for automatic management. Ideal for home, industrial, and commercial use. 3、LCD Display Function: Easy installation and operation with intuitive LCD display. Switch between modes and configure parameters with ease. Adjustable power off level for lithium battery protection. Suitable for various applications. 4、Multiple Intelligent Protections: Solar controller has built in overcurrent protection, short circuit protection, reverse connection protection, open circuit protection, and automatic recovery. Ensures reliable protection for your devices. 5、Multiple Battery Charging Options: Solar charge controller is compatible with multi acid batteries, like for OPEN, for AGM, for GEL. Use at will for convenience. Specification Item Type: MPPT Solar Controller Material: PC System Voltage: 12V, 24V (Auto) Maximum PV Voltage (12V, 24V): 12V Battery 18V Solar Panel, 24V Battery 36V Solar Panel less than 40V USB Output: 5V 2A maximum Connection: Support BT Package List 1 x Solar Controller 1 x User Manual