Wall socket case may be the last iPhone charger you'll ever need

For anyone still doubting the effectiveness of Kickstarter, this latest invention will likely put any questions to rest. The crowd-funding site has just seen the debut of what may be one iPhone case to rule them all.

The JuiceTank is a case for the iPhone 4/4S that has what may be the most useful feature ever, a built-in wall socket plug to charge your phone. The idea is so simple, yet so powerful, it's actually kind of amazing no one has thought of this before. The device, which will retail for $70, will only go into full production if they meet their goal ($125,000), and they're already one-fifth of the way there. You can learn more by checking out the video below.

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