Wholesale 5200mAh Power bank for Iphone4 Specification for Power bankDevice Type travel chargerCapacity5200mAhNet Weight68gUnit size126*61.8*15.8mmInput5V---1AOutput5.3V—1ASpecifications:Product name: travel chargerSuitable for mobile phones, iPhone4/3G/3GS, iPad, cameras, PSP/NDSL, and MP3/MP4 playersCapacity: 5,200mAhDevice type: external battery packInput: 5V DC, 1,000mAOutput: 5.3V DC, 1, ...