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Monday April 28, 2008 2:13 pm

Hand-Crank USB Power Charger

Hand-Crank ChargerCall it being green or minimal exercise for your wrist. The Hand-Crank USB Power Charger can recharge cameras, cell phones or any other piece of electronics with USB access. The device, at a size of 2 1/2 x 4 x 1 1/2-inches and a weight of 6 oz., will work with most Motorola, Samsung, Nokia, and LG phones with included adapters. Crank away when you are out of electric range or use the AC adapter when at home. The charger is available for $39.95.

Read More | National Geographic Online Store

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I might buy one of these for my car, in case my battery runs out on my cell phone.  If you get stuck on the road or caught in a snowstorm, you need some way of letting people know where you are!  It is also a lot cheaper and less expensive than the fuel cell option using water.

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