Features： 1、Dual USB: The solar charge controller has dual USB output ports and USB charging ports, which can support digital charging at any time. Most USB port devices on the market: mobile phones, tablets, Bluetooth headsets, cameras and other digital products can be charged. 2、Technology: The controller adopts an industrial master control chip, with adjustable charging and discharging point parameters, bi directional MOS tube anti back flow circuit, high power charging mode, and ultra low heat value. Complete 3 stages charging management. Effectively protect the battery and make it more durable. 3、LCD Screen: The LCD screen is used for setting, all settings are clear at a glance, and the working mode, touch the adjustment button to switch the charging mode. 4、ABS Shell and High Reliability: The shell is made of ABS engineering plastics, which has the characteristics of high strength, impact resistance, high burning point, corrosion resistance, etc. And the large cross section connection port, the connection port with large cross section and large spacing is adopted, which increases the insulation performance and installation reliability, effectively reduces the circuit voltage drop and loss. 5、Applicable Battery: This solar controller is only applicable to the charging of 3 series, 7 series ternary lithium batteries and 4 series, 8 series lithium iron phosphate batteries of various acid batteries, including opening, sealing, gel batteries, etc. Specification： Item Type: Solar Charge Controller Material: ABS Gross Weight: 147g/5.2oz System Voltage: 12V 24V adaptive Rated Discharge Current: 10A Maximum Photovoltaic Voltage:<50v Standby Current:<10ma USB Output: 5V 2A Max Operating Temperature: - 35 to +60℃ Suitable for a Variety of Environments: Solar off grid power supply systems for families, streets, power stations, pastoral areas, and fields Package List： 1 x Solar Charge Controller 1 x Manual