Feature:1. The solar controller has multiple protection functions such as short circuit protection, reverse protection, overload protection, etc2. 3 Stage PWM charging management improves system efficiency and extends battery life3. In order to protect your battery life, once the battery voltage drops below 8V, the solar controller will automatically shut down4. Equipped with an LCD display, which can clearly display status and data for easy and timely viewing5. The solar Controller can easily switch modes and parameter settings, suitable for home, industry, business, etcSpecification:Item Type: Solar ControllerMaterial: ABSUses: Suitable For Home, Industry, Commerce, etcRated Voltage: 12V 24VMaximum Photovoltaic Voltage: 50VUSB Output: 2 USB Outputs, 5V 2A (Maximum)Standby Current < 10MAWorking Temperature: -35-60.Package List:1 x Solar ControllerNote:1. For your safety, please don't make too big load or increase the solar panel too big2. When charging the battery with a power supply such as a power supply instead of a solar battery3. Please remove the solar panel, and the charging current should not be too large