This solar powered battery charger gives you back-up for hours when you're off the grid, or in the case of emergencies, you can get enough battery for phone calls up to 10 minutes from just an hour's solar charge! This high-efficiency solar powered battery charger makes for a very compact and lightweight solar panel. Solar powered battery charger can also charge most portable electronic devices. This solar power cell phone charger is suitable for frequent travelers and travels the countryside, especially in field operations or regular frequent power outages in use. A great item to save your phone call or let you keep listening to music when your device's battery dies!! Solar Mobile Charger can be used anywhere & anytime on your mobile phone, digital cameras, PDA, PSP, MP3/4, GPS, DV and other digital products. Its Luxury appearance, small and compact design, make you easy to carry, show your elegance and fashion.