Duracell PowerSource Mobile 100 - External battery pack + DC to AC power inverter - 12 V lithium ion 4 Ah - 3 output connector(s)

See detail @ http://www.amazon.com/gp/product/B000U0M7OW?&tag=externalharddrives0a-20 The Duracell Pocket Inverter 100 is a popular member of the Duracell Power family of ultra-compact, lightweight and modern power inverters and chargers manufactured by Battery-Biz Inc. The Duracell Pocket Inverter 100 efficiently converts 12-volt DC current from a vehicle's cigarette lighter or power port into safe, reliable standard 120-volt household AC electricity. This versatile inverter includes a three-prong AC outlet plus a convenient USB charge port, allowing you to simultaneously operate and recharge both an AC-powered and a USB powered mobile device with ease. When your laptop, iPod, BlackBerry, Palm or any other portable electronic device runs out of battery power, simply plug it into the Duracell Pocket Inverter 100 and keep it going. The Duracell Pocket Inverter 100 is the smallest inverter on the market and can easily be