As smart phones are everywhere, the junkies of this gadget are on a rise as well. When encircled with power outlets, we are hardly forced to think how these electronics would work without a power supply. In case you go out camping or live in extreme north, what do you do for power? Carrying a portable charger may not always work. Fortunately a breed of mobiles has come up, which can rely on solar power for recharging needs.