Features: Experience seamlessly solar power management with our intelligent solar controller, featuring auto detection for 12v and 24v battery systems, eliminating manual setups and enhancing user convenience. Equipped with high efficiency charging management, this controller offers 20a/30a models, effectively managing solar panel charge and discharge, extending battery life, and ensuring best performances. Ideal for homeowners seeking sustainable energy solution, outdoor enthusiasts requiring reliable power during camping trips, and small business owners needing independent power sources for shops or farms. Perfect for integrating into home solar systems, providing essential power in remote areas, serving as a mobile power source on vehicles or boats, and acting as emergency backups during outages. With its clear LED display, users can easily monitor battery voltage, charging status, and load conditions. Specifications: Component:Plastic Size:Approx.185x100x41mm/7.28x3.94x1.61inch Weight:350g Package Includes: 1 Set Solar Charge Controller note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind before you order. 2.Due to the differences between different monitors, the picture may not reflect the actual color about the item.