Features： 1、Industrial Grade Main Control Chip: High quality components enhance system performance, the highest conversion efficiency is 98%, ultra fast tracking speed, to ensure tracking efficiency, the controller is 12V/24V automatic identification, compatible with 12V/24V system. 2、Large Screen LCD Display: Adjustable charging and discharging parameters, with power off memory function, can clearly display status and data, can easily switch modes and parameter configuration, suitable for home, industry, business, etc. 3、Multiple Protection Functions: Built in over current, short circuit protection, open circuit protection, reverse connection protection, all of which are self healing and do not damage the controller. 4、Charging Management: Complete 3 stage charging management to improve system efficiency and extend battery life. Dual USB output, maximum current up to 25A, supports mobile phone charging. 5、Charge Controller Cooling: Dual MOS anti backflow circuit, ultra low heat generation, the charge controller will heat up during operation, please pay attention to install the charge controller in a flat, well ventilated place. 6、Easy to Install and Operate: Charging controller should be connected to the battery first, then the solar panel, and finally the load. Disassembly sequence is opposite to the wiring sequence. Specification： Item Type: LCD Screen Solar Controller Color: Orange Weight: Approx.155g/5.5oz Material: Shell Plastic + Back Plate Iron Product Size: Approx. 13.3x7x3.2cm/5.2x2.8x1.3in Display Mode: LCD Screen Applicable Solar Panels: 12V is Suitable for 18V Solar Panels, 24V is Suitable for 36V Solar Panels Standby Current: <10MA Working Temperature: -35℃ to 60℃ USB Output: Dual USB Output, 5V / 2.5A (Max) Light Controlled Turn On Threshold: Solar Panel 8V (Light On Delay) Light Controlled Turn Off Threshold: Solar Panel 8V (Light Off Delay) Package List： 1 x Controller 1 x Manual