Its a big headache to replace the batteries always. What we have here today is the 2011 red dot design concept winning entry ONE=TWO – Spring Battery. The design is quite self explanatory, so my question for you today is this: is it worth extracting every ounce of juice from discarded batteries in comparison to the production of such extracting devices? Designed by Designers Huang Kun, Meng Xun, He Ting & Liu Yuan [Images and Article Source]