Feature:1. Large-screen LCD display, adjustable charge and discharge parameters, with power-off memory function.2. Backlight screen enables a clear viewing for easier adjustment and management.3. Dual USB output with a maximum current up to 2.5A, also supporting charging for iPhone.4. Built-in short circuit protection, open circuit protection, reverse protection and overload protection.5. Allows for flexible application in various fields, including for home, industry, commerce, etc.How to Use:1. Before installing for the first time, please make sure that your battery has enough voltage for the controller to recognize the battery type.2. The battery cable should be as short as possible to reduce loss.3. The regulator is only suitable for lead‑acid batteries, including OPEN, AGM, GEL are not suitable for Ni‑MH, Li‑ion or other batteries. 4. The charging regulator is only suitable for regulating solar modules. 5. Never connect other charging power sources to the charging regulator. Specification:Item Type: Solar Charge ControllerMaterial: ABSModel: LD2024Application: Suitable for home, industry, commerce, etc.Voltage: 12-24VCurrent: 20AMaximum Solar Input: 12V battery, maximum 23V; 24V battery, maximum 46V. Battery Overvoltage Protection: 16.5VFloating Voltage