The Power Tube 6600 from MiPow looks like an oversized pencil, but it contains enough power to double the battery life in your iPad. Inside the tube is a 1000mA lithium-ion battery with a 6600mAh capacity. The tube comes with an AC charger; it can be recharged 500 times. It has 10 adapter tips so you can charge Apple iPhone 3G /3GS /4, Apple iPad/iPad 2, Apple iPod (except iPod shuffle), Samsung Galaxy Tab, PSP and NDS Lite, Blackberry, HTC, Motorola, LG, Sony Ericsson and Samsung mobile phones. It’s available in light blue, charcoal gray, gold, silver, navy blue, pink, black, and red. It’s $99.00 at the MiPow online store.