The MPPT 12V/24V solar controller is an automatic identification solar charge controller with USB output. It is designed to efficiently regulate and optimize the charging process of solar panels for 12V and 24V systems. Key features include Maximum Power Point Tracking (MPPT) technology, automatic voltage identification, and a USB output for convenient device charging. This controller offers benefits such as improved solar panel efficiency, reliable battery charging, and compatibility with various solar systems. Its unique selling points are its advanced MPPT technology, automatic voltage detection, and the added convenience of USB charging.