Power solution manufacturer Powerocks today announced Tarot -- a backup battery designed to fit in a wallet, pocket, or small purse to provide an emergency charge for smartphones, tablets and other mobile devices quickly and safely when away from a power source or outlet. Tarot weighs 1.79 ounces, with measurements of 3.5 inches in length, 2.1 inches wide, and a height of 0.28 inches.
