MPPT Solar Controller With Automatic 12V24V Recognition 1. Intelligent tracking algorithm, real-time tracking of peak voltage and current, enabling the solar panel to achieve peak power output and higher charging efficiency 2. Built-in safety and protection devices, with input and output reverse connection protection function, preventing damage from reverse connection and automatically adapting to the system battery voltage 3. High-definition display screen + feedback-style buttons, effectively enhancing human-computer interaction efficiency 4. Wiring installation adopts a concealed design. When using, pull down the bottom cover box, connect the wiring properly, and then cover the bottom cover when installation is completed 5. Supports charging of various USB devices: including mobile phones, tablet computers, portable game consoles, etc 6. Widely applicable, suitable for solar power supply systems for solar energy generation, smart home, solar monitoring systems, solar light boxes, solar billboards, solar warning lights, and other solar-powered systems Parameters: 1. Maximum open-circuit voltage of the solar panel: 100V (at the lowest temperature); 92V (at the normal temperature of 25 degrees Celsius) 2. System rated voltage: 12V24V, automatically identified 3. Maximum battery voltage: 8V - 32V 4. Protection level: IP30 5. Grounding type: positive pole grounding 6. Temperature range of the display screen: -20 degrees Celsius to +70 degrees Celsius 7. Working environment temperature range: -20 degrees Celsius to +55 degrees Celsius 8. Storage environment temperature: -30 to +80 degrees Celsius 9. Working environment humidity: less than or equal to percent 90 without condensation 10. Static loss: less than 50mA 11. High-voltage protection: lead-acid battery 16V 12. Light control point voltage: 5V10V15V20V