Feature:1. Function: This photovoltaic power generation solar controller collects energy from your solar panel and stores in battery2. PWM Charging: The PV solar controller adopts PWM charging with complete 3 stage PWM charging management3. Industrial Grade Chip: The solar regulator adopts industrial grade main chip, with stable and durable performance4. LCD Display: The solar controller is equipped with a large screen LCD display, and the charging and discharging parameters can be adjusted5. Multiple Protection: The solar controller has built in near charge protection, short circuit protection, open circuit protection, and reverse connection protection, all are self recovery and do not damage the controllerSpecification:Item Type: PV Power ControllerMaterial: ABSMaximum Photovoltaic Voltage: 12V system < 25V, 24V system < 50V, 48V system < 100VUSB Output: 5V 2A MaximumWorking Temperature Environment: -20C to +50C.Package List:1 xPV Power Controller1 x ManualNote:1. The controller will automatically identify 12/24/48V. When installing for the first time, please ensure that the battery has enough voltage so that the controller can recognize the correct battery type.2. Install the controller as close to the battery as possible to avoid voltage drop caused by too long wires and affect the normal voltage judgment.3. The controller is suitable for three kinds of battery charging: ternary lithium, lithium iron phosphate and acid.4. The controller can only use photovoltaic panels as the charging source, please do not use DC or other power sources as the charging source.5. The controller will heat up when running, please install the controller on flat and well ventilated surfaces.