In Insert Coin, we look at an exciting new tech project that requires funding before it can hit production. If you'd like to pitch a project, please send us a tip with "Insert Coin" as the subject line. If you're a geeky pack rat who likes to travel with a mini Radio Shack store in your bag a la Steve Wozniak, then you're likely always looking for ways to keep your precious devices powered up. One option that may be w
