Amazon has the ReVIVE Series Solar ReStore External Battery Pack for just $27.99 shipped, originally priced at $49.99. This gadget provides a “full charge to most phones, MP3 players, GPS, iPod, iPhone, e-Readers, Bluetooth devices and other USB powered devices.” Product page. Continue reading for a video.

External battery pack recharges up to 1,000 times from the power of the SUN, AC or USB power. Includes AC adapter, MicroUSB and MiniUSB charging cables. Convenient window suction mounts to optimize solar charging at home, in the car or at work.

[via Amazon]