... , GPS, DV, MP3, MP4 Solar charger,solar energy charger for mobile phone, digital camera, PDA, PSP, GPS, DV, MP3, MP4 Product parameters 1 ... built-in lithium battery power through the output interface for mobile phones, digital cameras, MP3, MP4 and other products charge. ... . Connection to the solar charger with a charging cell phone or digital camera with MP3, MP4 and other digital products can charge ...