Tera Grand - High Speed 5 Port USB Desktop Charger with Smart IC Technology. Smart IC Technology: Automatically detects the optimal charge level up to 2.4A per port or 8A overall for connected devices and adjusts the output accordingly, thereby increasing the chargers efficiency and charge speed. 40 Watts: Enough power to charge 5 devices at high speeds simultaneously 5 Ports: Enough charging ports for average size family. Each with overcharge protection. Voltage Regulator: Ensures a stable 5V output, providing fast charge rates for all ports. Guaranteed Safety: CE, FCC certified design, built with high quality ABS plastic & Aluminum material along with premium circuitry ensure high performance and reliability.