... PSP, GPS, DV, MP3, MP4 Solar charger,solar energy charger for mobile phone, digital camera, PDA, PSP, GPS, DV, MP3, MP4 ... charger is the solar energy into electrical energy photoelectric conversion devices, solar charger principle is: the light through the ... be built-in lithium battery power through the output interface for mobile phones, digital cameras, MP3, MP4 and other products charge ...