... 5.OEM customer is number 1product informationexternal power bankportable power bankportable batterylaptop power bankSupport for Laptop, Mobile Phone, PDA, iPod, iPhone 3G/ 3GS PSP, NDSL, DPF, Portable DVDFeatures1 ... /19V/21V),USB 5V/500mAh5. 175*120*25mm6. 530gFits forLaptop, Mobile Phone, PDA, iPod, iPhone 3G/ 3GS PSP, NDSL, DPF, Portable DVDStandard Accessories1,10 ...