Portable Power Supply for mobile phone can charge for most Mobile Phones, Digital Camera, MP3, MP4 , DV,PDA,PSP, Small Home Portable Power Supply for Mobile Phone-PETC-P08 l CHARACTERISTICSThe ... ) to Direct Current to store in built-in battery. Then it can charge for Mobile Phone, MP3, MP4, Digital Camera, Small Home Appliance etc ...