Check out this super cool hybrid charger from USBFever. This little device can be used as a charger via two power sources, one is obviously the solar panel and the other is via USB Port.
You can also use this Mobile hybrid solar charger as your personal 4-port USB hub. Yep, kinda multi-duty gadget for your geeky needs. The solar panel claimed to be able to charge your mobile gadget even under weak light source such as lamp or something else. The package comes with the device also including several connector for some cell phone brand such as Nokia, Samsung, SE, Moto, but no iPod/iPhone mentioned.
You can find this cool Hybrid solar charger that doubled as USB hub for $21.99 only at USBFever.