... , MP3, MP4 , DV,PDA,PSP, Small Home Portable Power Supply for Mobile Phone-PETC-P08 l CHARACTERISTICSThe products can charge ... Home Appliances etc. l WORKING PRINCIPLE:The products convert Alternating Current (AC) to Direct Current to store in built-in battery. Then it ... right connector, connect digital devices (like cellphone0 and power supply through cable,then it can offer power to digital devices ...