RockWall Power 2 Charging Hub from iLuv. This charger converts any single wall outlet into a multi-port charging hub. It's equipped with 2 AC outlets and 4 USB ports, and outputs a total of 4.8A of power. To minimize charging time, it uses smart charging technology, which actively adjusts power output in each USB port, depending on the requirements of the device. The RockWall's internal circuitry is designed to prevent overcharging and overheating that can damage connected devices and its premium construction enables durable and reliable operation.