Advanced MPPT scanning technology & effective temperature management, ensuring efficient, reliable and lasting solar DC charge Built-in Bluetooth communication module allowed to be connected in, for APP monitoring and operation in mobile phone Supports multiple modes of DC load output control. "DC load short circuit protection" allowed to be canceled manually; "Equalize charge" allowed to be enforced manually Oversize heating sink design, along with PCBA glued with polyurethane & silicon mixture, for better system cooling and waterproof, to improve solar charge efficiency The installation is simple and convenient, and the markings are clear and clear; humanized button settings make the operation simpler and more comfortable., Weight: 3.20000973293 pounds, Manufacturer: Yoeruers