Not affiliated, never had one, never used one and I made the mistake of going droid. I wish I could take part in this...I could see this being useful...
Eton Mobius iPhone Solar Rechargeable Battery Case – Online Deal
$39 for Eton Mobius Rechargeable Battery Case with Solar Panel for iPhone 4 and 4S ($80 Value). Shipping Included.
What You Get
For $39, you get a black or white Eton Mobius NSP300B rechargeable battery case with solar panel for iPhone 4 and 4S (an $80 value), which includes the following:
Detailed operating instructions
Shipping is included.
Eton Mobius rechargeable battery cases photosynthesize sunbeams into juice for extra-long battery charges that power iPhone's 4 and 4S models. iPhones snap into the tough, ergonomic cases, and battery- and solar-charge indicators let users know exactly how much power they have. A full solar charge of the lithium-ion battery packs allows users Internet usage or video playback for up to 8 consecutive hours, enough to watch a home movie shot by a sloth.
Rugged, ergonomic case with lithium-ion battery pack
Solar panel more efficient than focusing sun with large magnifying glass
Battery-charge and solar-charge indicators
USB port for charging from computer or syncing with iTunes
Standby switch allows solar panel to charge own battery or iPhone battery
One hour of solar charge equals:
25 minutes of talk time
20 minutes of Internet usage
35 minutes of video playback
145 minutes of audio playback
Full solar charge equals:
5 hours of talk time
8 hours of Internet usage
8 hours of video playback
32 hours of audio playback
Dimensions: 2.44" x 5.1" x 0.875"