LinearFlux on Thursday launched its Indiegogo funding campaign for a very interesting external battery charger project for mobile devices – the LithiumCard, “the world’s only ‘Rechargeable HyperCharger.’” The LithiumCard has about the same size of a credit card, while being slightly thicker, and thus it can be carried around in a regular wallet. The battery can hold a charge of 1200mAh, and, most interestingly, sports a fast charging technology that the company claims can charge devices faster than similar products from competitors. “HyperFET charging technology calculates a device’s most optimal charging profile and is capable of delivering up to 1% increase in battery life per minute,” the company writes. “Offers up to 2 amps, or up to 10 Watts of