We review a lot of battery packs here at TUAW. Some are battery cases for iPhone, others are external packs that you can fish out of a backpack to charge up a device that's critically low on juice. But the number of battery packs that can charge either an iPhone -- or two -- or an iPad is pretty small. Limeade, a manufacturing startup out of Boulder, Colorado, has just released the Limeade Blast L180X (US$129.99, available on Amazon for $99.99), an external battery pack that carries a whopping 18,000 mAh capacity rating.
The Limeade battery packs (there are two smal
