Solar Controller with Automatic DayNight Switching Power your outdoor lighting projects with a reliable, versatile, and easytouse solar controller designed for a wide range of battery types and applications. Key Features and Benefits: Wide Voltage Compatibility: Works seamlessly with 3.2V, 3.7V, 4V, 11.1V, and 12V batteries, providing flexible charging and control for various energy storage setups in both home and outdoor environments. Automatic DayNight Operation: Charges connected batteries via solar input during daylight hours, then automatically powers lights at night, switching off at dawn by detecting voltage changes. No separate photosensitive components are needed, simplifying setup and reducing failure points. Built for LongTerm Reliability: Constructed with quality materials to ensure stable performance and long service life, making it a dependable choice for continuous outdoor use. Quick and Simple Installation: The straightforward design allows fast mounting and easy wiring without complex tools or technical expertise. Compact and portable, the unit can be moved between different projects with ease. Practical Applications: Ideal for powering solar garden lights or lawn lights, ensuring your outdoor space stays illuminated at night without manual switching. for decorative solar string lights, bringing vibrant ambiance to patios, pathways, or festive settings. Suitable for small solar street lights in driveways, private roads, or community areas for added safety and visibility. Specifications: Compatible battery voltages: 3.2V, 3.7V, 4V, 11.1V, 12V Function: Automatic switch based on solar charging and voltage detection Material: Durable electronic components designed for reliable outdoor performance This solar controller is a practical solution for anyone looking to automate, simplify, and enhance their outdoor solar lighting systems while maintaining dependable performance over time.