If you are looking for a "green" gift that helps save the planet and keeps gadgets running when the battery is empty on the go then check out the very cool Kinesis K3 from Kinesis Industries (site).
The Kinesis K3 is a 3-in-1 charging device that can collect and store power from wind, sun, or an AC wall plug. The internal battery can also be charged via USB. It has a wind turbine and a solar panel to capture nature's free energy.

With the Kinesis K3 you can charge mobile phones, iPods and other devices. The K3 comes with popular device tips to connect your gadgets for charging.

The Kinesis K3 supports Maximum Wattage of 5 Watts at 5V. The battery capacity is 4,000mWh. The measurements of the K3 are 3.0 x 9.3 x 3.1 inches (78 x 236 x 80 mm) and the weight is 300g.
Amazon sells this unique charger for $89.99. Also available in black.