Features 12V 24V SELF ADAPTION: The solar charge controller is compatible with 12V and 24V systems, the discharge current is 20A, has dual 5V 2A USB output. AUTO MANAGEMENT: The solar controller has built in industrial micro controller for automatic management, can store various parameters set by users, and data will not be lost when the battery runs out. FUNCTIONAL LCD: The solar panel regulator is easy to install and operate, intuitive LCD can clearly display status and data, and can switch modes and parameter configurations. PWM CONTROL: The controller adopts three stage PWM regulate charging mode: direct charging, lift charging, floating charging, achieve efficient and fast intelligent charging. MULTIPLE PROTECTION: Built in overcurrent, short circuit, reverse connection, open circuit protection, automatic recovery, no damage to the controller, reliable for your equipment. Specification: Item Type: Solar Charge Controller Material: ABS, Aluminum Alloy, Copper Rated Current: 20A System Voltage: 12V 24V Self Adaption USB Output: 5V 2A Standby Current: <15mA Maximum Input Voltage: <50V Package List: 1 x Solar Charge Controller 1 x User Manual Package List 1 x Solar Charge Controller 1 x User Manual