Browsing around I found green device for outdoor activities. It is solar recharger for most of yours gadgets like mobile phones, PDA’s, blackberry, PSP, iPod etc. It has internal battery that is recharged via solar power. Size of battery depents from 6-16 hours of iPod music. Prices varies from 15 to 50+ EUR.
Imagine your are on camping or concert. We your devices is drained you just recharge it with battery and then fill battery with sun. Ways of where and who you can use this device is amaizing.
Search around the web and find your perfect green companion for green travel.