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For cell phone charging, the Emerald has USB and cell phone ports and will come with a bag of adapters. It can fully charge a smartphone in the same time it would take at an outlet, developers say. It recharges in full sunlight in three hours.

Revolutionary cell-phone charger that gereates 300--7-- percent more energy than current kinetic energy technologies

Way cool! :-D

ZTE showed off the first affordable cell phone featuring solar power. Now, it looks like the company is planning on releasing a version for Android users

The proliferation of portable consumer electronics such as computers, cell phones and e-book readers combined with expected expanded production of hybrid and all-electric vehicles has placed significant new demands upon manufacturers for low-cost, energy efficient and environmentally-friendly batteries.

There was a time when a laptop could weigh 10 pounds and still sell-a time when a cell phone was larger than a pocket-and a time when an iPod only played music.