Features Premium material - The solar charge controller uses an industrial microcontroller, charging and discharging parameters can be adjusted. 3-stage charging management - This solar charge controller has a complete 3-stage PWM charging management. Various protection functions - Built-in a variety of protection functions, including overcurrent, short circuit, interruption, reverse polarity, etc. Low heat generation - Dual MOSFET reverse current protection, low heat generation. Clear LCD display - Large LCD display with backlight, the data is easy to read. Features: 1. Large screen LCD display with backlight. 2. Complete 3-stage PWM charging management. 3. Double MOSFET reverse current protection, low heat generation. 4. Built-in a variety of protection functions, including overcurrent, short circuit, idle, reverse polarity, etc. 5. Adopt industrial microcontroller, charging and discharging parameters can be adjusted. Package list: 1 x solar charge controller. 1 x user manual (English language Note: 1. The controller is only suitable for lead-acid batteries: OPEN, AGM, GEL. Not suitable for NiMH, Li-ion or other batteries. 2. Before first installation, make sure your battery has enough voltage so that the controller can detect the battery type. 3. The battery cable should be as short as possible to minimise losses. 4. The charge controller is only suitable for controlling solar modules. Never connect another charging source to it. 5. The controller gets hot during operation. Please install it in a well-ventilated place. Package List