... competitive price 4.90% transfer efficiency 5.MOQ:10pcs A portable, high capacity storage of electricity, repeat charging the power supply ... notebook computers, mobile phones, MP3, MP4, PSP, PDA, IPOD, mobile DVD, digital camera charge at any time and any places.Features ... current, over-heat and over-voltage, can ensure security.3. Portable power supply, easy to carry 4. Automatically power off fuction ...