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. The iPhone 5 already has its share of cases with extended batteries, but how about one with a backup plan for your backup plan? Taking to Crowd Supply for funding, Gridcase's Reactor features an internal 400mAh battery and a crank-powered
