Tylt Energi 5-Port USB Charging Station Works with most USB-enabled devices: For rapid recharging. SmartDetect technology: Determines the power rate capacity of devices for optimal charging. 5 USB ports: Enable you to charge multiple devices simultaneously. 2.4 amps of power per port: With 50W total power for a steady charge. On-the-go power: 5th USB port doubles as a removable 3200 mAh battery pack for use during travel.