Resembling a blood pressure arm band, the PowerFilm AA Foldable Solar Charger from where else, PowerFilmSolar.com is perfect for the outdoorsy gadget maniacs who actually get to see the sun. From the product page:

Ultra compact and ultra lightweight, the PowerFilm® AA Foldable Solar Charger is ideal for soldiers in the field. The charger provides portable power for charging AA rechargeable batteries. Once unfolded, this charger automatically begins charging. The charging lights confirm if the batteries are charging or fully charged. The specialized charging circuitry provides highly effective battery charging.

A big hit with soldiers in the field, the Powerfilm foldable solar charger will soon be available to the general public from Johnson Outdoors.

[via Gizmag]