Description 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. Features Impressive 6000mah Can Fully-Charge Your Devices: 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 smartphones from flat and then some. Featuring a built-in USB port, the Promate charger will recharge any device that charges via a USB cable, making this power bank ideal for use with your own smartphone and Tablets as well as lending some power to your friends and families' devices. Emergency Charging on The Go: If your phone is faltering after a long day of heavy usage, the Promate Energi-6 is perfect for you. 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. Slim and Compact Size for Great Portability: With its sleek, compact construction and convenient pocket-friendly size, the Promate Energi-6 is ideal for travel as well as everyday use. A lightweight build and elegant frame mean this power bank will fit neatly into any backpack, luggage or jeans pocket with no trouble. Automatic Voltage Regulation: Energi-6 Features Smart Charging Circuitry to Provide Your Device with The Perfect Amount of Power for a Quick but Safe Charge. Universal Fast Charging 2.1A USB Port: You won't be waiting around forever for your device to finish charging thanks to the Promate Energi-6 with 2.1A output and adaptive smart charging technology.