Charge your devices on-the-go with this sleek and powerful 6000mAh lithium polymer power bank. This ultra-sleek power bank features an ultra-fast USB charging port to charge any USB-chargeable de Energi-6 also includes Automatic Voltage Regulation i.e. it provides an optimum output based on the device connected. Energi-6 is compatible with all smartphones & tablets. Fully charge almost any smartphone and Tablets with this Energi-6 universal charging pack. Featuring a huge 6000mAh capacity, it is powerful enough to fully charge any smartphone from flat and then some more. Whether you’ve been streaming music, watching YouTube or finding your way around with GPS, simply hook up the Energi-6 to your device with your own charging cable and watch its battery come to life again. With its sleek, compact construction and convenient pocket-friendly size, the Promate Energi-6 is ideal for travel as well as everyday use.