Feature: 1. The solar controller has multiple protection functions such as short circuit protection, reverse protection, overload protection, etc 2. 3 Stage PWM charging management improves system efficiency and extends battery life 3. In order to protect your battery life, once the battery voltage drops below 8V, the solar controller will automatically shut down 4. Equipped with an LCD display, which can clearly display status and data for easy and timely viewing 5. The solar Controller can easily switch modes and parameter settings, suitable for home, industry, business, etc Specification: Item Type: Solar Controller Material: ABS Uses: Suitable For Home, Industry, Commerce, etc Rated Voltage: 12V 24V Maximum Photovoltaic Voltage: 50V USB Output: 2 USB Outputs, 5V 2A (Maximum) Standby Current < 10MA Working Temperature: -35-60 . Package List: 1 x Solar Controller Note: 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