Yes charge it and I don't mean on your credit card. Mysoldius.com offers great products that capture solar energy to charge a few essential electronics such as cellphones and MP3 players. Hey, who can live a day without gabbing it up and listening to tunes; maybe even at the same time.
These products are Eco-chic and deserve a look. You can do so at Mysoldius.com.
If you know of other companies that provide Eco-friendly and functional products please feel free to leave a comment with your discovery.