Hand-Crank USB Power Charger for your Mobile

What would you do if your mobile phone runs out of power in the desert or the tropical rainforest? Let the Hand-Crank USB Power Charger do its job. Plug in your phone, and start cranking. Its sold on the National Geographic site.

This device costs US$39.95 and includes adapters to fit most Motorola, Samsung, Nokia, and LG phones. [Source]