Welcome to our store！</br> 1、[Efficient] Industrial grade main control chip, high quality components to improve system performance, the highest conversion efficiency of 98%, ultra fast tracking speed, to ensure tracking efficiency. 2、[Low Loss] Copper terminals are used inside, which has better conductivity and lower loss than most plastic and iron terminals, 12V/24V automatic identification, compatible with 12V 24V system. 3、[Multi Functional] The controller adopts large LCD screen display, dual USB interfaces, multifunctional control panel, high current overvoltage protection, intelligent clock timing, and automatic voltage control. 4、[Easy To Install And Operate] The charge controller should connect the battery first, then the solar panel, and finally the load, and the removal sequence is the reverse of the wiring sequence. 5、[Multipurpose] This solar panel intelligent controller is widely used in solar offline power supply systems such as homes, schools, streets, stations, power stations, pastoral areas, wild areas, etc. <p class="wang-edit-text"><p class="wang-edit-text"> Item Type: Solar Charge Controller Material: Plastic Shell + Iron Back Plate Product Size: Approx. 19.5 x 11.2 x 5.5cm / 7.7 x 4.4 x 2.2in Display Mode: LCD Screen Current: 40A Voltage: 12V / 24V Automatic Identification Applicable Solar Panels: 12V is suitable for 18V solar panels, 24V is suitable for 36V solar panels Maximum PV Voltage: 12V Battery, Up to 23V; 24V Battery, Up to 46V (Up to 50V without Load) Maximum PV Input Power: (12V) 520W, (24V) 1040W Working Temperature: -20℃ to 55℃ <style> .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }</style> 1 x&nbsp;Solar Charge Controller1 x Manual Satisfaction - Our customers are our top priority. If you find any product problems after receiving the goods, such as damage and incorrect quantity of goods, please contact the seller immediately. We try our best to provide you with satisfactoryaftersalesservice</br>