This USB charging station offers a high-powered solution for keeping your mobile devices powered and ready for use. It's compatible with a wide range of tablets and smartphones, and features built-in safety measures to help protect against damage to your mobile devices.High-powered chargingThe charging station can deliver 48 watts of power in total, providing 2.4 amps of power per port. That means you can charge four tablets at once, and every port can provide the power each device needs.One charger for all of your mobile devicesThe charger supports USB Battery Charging Specification 1.2, which ensures compatibility with a broad range of mobile devices, including the Apple iPhone and iPad, the Microsoft® Surface™ tablet, the Samsung Galaxy Tab™, Android™ devices and more.Dedicated charging stationThis all-in-one charger is perfect for charging multiple devices during meetings in a boardroom or conference room. It gives you and your co-workers access to charging when it's needed. Plus, consolidating your USB devices onto a single multi-port USB charger offers a more efficient solution and saves space because you don't need to use multiple wall outlets or power bars.The compact, metal enclosure is extremely durable and offers an integrated on/off power button that turns all ports on and off for simple operation. For added flexibility, the charge station includes a bracket for wall-mounted installations.Protection for your devicesThe USB charging station features built-in safety measures to ensure that all of your devices are protected against damage from overheating, overvoltage, overcurrent or short circuiting. If the 48-watt limit is exceeded, the power being sent to the connected devices will turn off and the charger will reset itself until the load is reduced to safe levels.The charger also includes an LED indicator beside each port to notify you of a short circuit, while the affected port will shut down until you power-cycle the charger.The ST4CU424 is backed by StarTech.com's 2-year warranty and free lifetime technical support.