... can charge for most Mobile Phones, Digital Camera, MP3, MP4 , DV,PDA,PSP, Small Home Portable Power Supply for Mobile Phone-PETC ... products can charge for most Mobile Phones, Digital Camera, MP3, MP4 , DV,PDA,PSP, Small Home Appliances etc. l WORKING PRINCIPLE:The ... . Then it can charge for Mobile Phone, MP3, MP4, Digital Camera, Small Home Appliance etc. l USAGE:Charge for built-in battery ...