The news may be old, but it is worth sharing as it gives insight into the innovative mind of designers to ease problems of smartphone battery charging when on move.
Continuance is a set of batteries with a USB interface on the side. The batteries are rechargeable plus dole out some juice to stranded gadgets that are starved of power. Handy, compact and a totally do-able concept! Kudos!
Designers: Haimo Bao, Hailong Piao, Yuancheng Liu & Xiameng Hu