Features The default battery type is sealed valve‑regulated lead‑acid, also suitable for gel batteries, liquid lead‑acid, lithium iron phosphate and ternary lithium batteries. Support parameter customization, suitable for charging other types of batteries, refer to the manual to set the battery type. Intelligent recognition, no manual adjustment is required, realizing truly intelligent control. Made of high‑quality materials, strong and durable, has a long service life. The battery voltage is 12V, 24V, 36V, 48V, four voltages are universal, and the adaptability is strong. Specification: Item Type: Solar ControllerMaterial: Engineering plasticRated Current: 80A Rated Working Voltage: 12V/24V/36V/48V Solar Panel Input Voltage: ≤100V Static Loss: ≤20mA Loop Pressure Drop: ≤0.3V USB Output: 5V/2A x 2 Working Temperature: -20~ +55℃ Protection Level: IP30 Relative Humidity: ≤95%, no condensation Terminal: 4AWG/25mm² Package List:1 x Solar Controller  1 x User Manual  Package List 1 x Solar Controller 1 x User Manual