The PowerCube extended with USB is a variant of PowerCube Extended. The difference being the availability of USB charging points. The PowerCube (Extended with USB) comes with dual high-power USB ports (2.1A) that allows charging of two devices at the same time, e.g smartphones and tablets. The PowerCube USB 2.1A charging point charges faster than conventional chargers!
Imagine this scenario... In the living room or bedroom, you might want to read an eBook, work with your tablet computer, and/or play with your smartphone. However, their USB cables are often too short to reach your bed. By placing a PowerCube -Extended USB- next to your bed, you can charge your devices via its high-powered dual USB ports (2.1A) that allow charging two devices simultaneously. The charging time will be shorter than charging via a USB port on your notebook. Now you do not need to worry about running out of battery, as power is available right at your bedside. The PowerCube Extended and Extended USB models are available with a 3m (10ft) Cable, allowing you to mount the PowerCube conveniently within reach.